PickSmartly Review

Best Clutch Assembly Bolts in 2026

9.7 PM Score
Products Evaluated
14
Reviews Analyzed
651
Brands Ranked
9
We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

When performing a clutch overhaul or replacing a pressure plate, the integrity of your fastening system is just as critical as the friction material itself. Clutch assembly bolts are high-stress components that must withstand intense torsional loads, rapid thermal cycling, and constant vibration. Choosing a generic hardware store bolt for a high-torque application is a recipe for catastrophic mechanical failure. A proper guide to selecting clutch assembly bolts requires an understanding of metallurgy, thread pitch, and shear strength to ensure that your drivetrain remains securely coupled under load.

Editor's Choice

Our Top Picks for Clutch Assembly Bolts

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

Unlimited Rider M8 8mm Secondary Clutch Spreader Belt Change REMOVAL Tool For Can-am MAVERICK COMMANDER OUTLANDER RENEGADE ATV's & SXS's, Metric Bolt...

WIKMOB M8 Secondary Clutch Spreader Tool

4.7 (529 ratings)
WIKMOB UR-SCBO-001

Reviews for WIKMOB (PM Score)

9.7 PM Score
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  • Features: 12.9 CL , Pre oil , Fully threaded
  • Size: M8x1.25x70 Bolt
  • Used to open the secondary clutch for many Can-am ATV's & SXS's
  • Will not work with the factory X3 spreader they use a larger bolt.
  • These 70mm bolts are the PERFECT length (Opens Clutch COMPLETELY but WILL NOT ALLOW OVER THREAD in and Over Stress Clutch Springs)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Nuooooomy 6.07 Yes Yes Yes

You are deep into a clutch belt change on your Can-Am Maverick or Outlander, and the struggle to pry that secondary clutch open without damaging the components is a real headache. This WIKMOB spreader tool solves that exact problem by providing a precision-engineered M8 x 1.25 x 70mm bolt designed specifically for this task. Unlike the factory X3 spreader which uses a larger bolt, this tool is purpose-built for the specific threading requirements of many Can-Am ATVs and SxS models. The 70mm length is the real winner here. It is long enough to open the clutch completely for easy belt access, yet it stops perfectly before it can over-thread or put undue stress on your clutch springs. Being pre-oiled and featuring a 12.9 CL rating, it feels ready for heavy-duty garage work right out of the box.

What We Like
Perfect 70mm length
Fully threaded design
Pre-oiled finish
High 12.9 CL
Secondary clutch spreader

Liphontcta 8mm Secondary Clutch Spreader Belt Change REMOVAL Puller Tool For BOMBARDIER BRP Can-am MAVERICK COMMANDER OUTLANDER RENEGADE ATV & SXS, 12...

UnlimitedRider Secondary Clutch Spreader Tool for Can-Am

4.7 (96 ratings)
UNLIMITEDRIDER UR-SCBO-002 0.09 Pounds

Reviews for UNLIMITEDRIDER (PM Score)

9.5 PM Score
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  • Features: 12.9 CL , Pre oil , Fully threaded
  • Size: M8x1.25x80 Bolt
  • Used to open the secondary clutch for many Can-am ATV's & SXS's
  • Will not work with the factory X3 spreader they use a larger bolt.
  • These 80mm bolts are the Longer length (Opens Clutch COMPLETELY but WILL ALLOW OVER THREAD in and Over Stress Clutch Springs).
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

You might hesitate to trust a specialized bolt with your expensive BRP drivetrain, but this spreader tool is a legitimate necessity for any Can-Am owner performing belt maintenance. This M8x1.25x80 metric bolt is specifically designed to open the secondary clutch on Maverick, Commander, Outlander, and Renegade models. Because it is a 12.9 CL grade and comes pre-oiled, it handles the high tension of clutch springs with professional-grade reliability. The 80mm length is a crucial detail here. It is long enough to open the clutch completely, which is a massive advantage during a belt change. Just keep in mind that this is not a universal fix for everything, as it won't fit the larger factory X3 spreader bolts, so ensure you are matching it to your specific ATV or SXS model requirements.

What We Like
12.9 CL grade
Pre-oiled threads
Fully threaded design
Complete clutch opening
M8x1.25 metric size
#3

Worldmotop Fairing Bolt Kit Screws Fasteners Universal Compatible with Yamaha Honda Kawasaki Suzuki BMW,Fairing Bolt Kits Metric Bolts and Nuts Kit(re...

BAIONE Universal Motorcycle Fairing Bolt and Fastener Kit

BAIONE YC-KIT-2 8.90 X 5.30 X 2.10 Inches

Reviews for BAIONE (PM Score)

8.7 PM Score
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  • Bolt Kit: Allen wrench 5mm and 6mm,each packing included screws, grommets, nuts and bolts & Mounting Kits Washers, screw clips. Suitable for most models, easy to install without instructions.
  • Fairing Bolt Kit: Compatible with KAWASAKI NINJA 250 300 ZX6R ZX10R ZX14R ZZR400/Compatible with SUZUKI GSXR600 GSXR750 GSXR1000 GSX1300-R HAYABUS A/Compatible with HONDA CBR600RR CBR1000RR VFR800 VFR1200.
  • Bolts And Nuts Kit :This a replacement spire/speed clip and bolt kit, as used to secure fairings, bodywork, bumpers or just about any panel to another.(As shown as detail picture)
  • Screws Fasteners: Made from high quality that resists corrosion, strong and a shine that will last. It can be used for plastic, fenders, bodywork, engine, frame, seat, fuel tank, controls, carburetor, exhaust, pipe, silencer, radiators, handlebars, swing-arm components, skid plates, bumpers and more.
  • Our diagrams have photographs of the actual fairings themselves, with accurate placement of all the hardware detailing its exact location. If there are any issues please contact us and we will provide our customers the best service.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
worldmotop 9.58 No No No

You are halfway through a weekend garage session, trying to secure a loose fender or a vibrating fairing, only to realize your original hardware is stripped or missing. This BAIONE kit solves that headache instantly by providing a comprehensive assortment of metric bolts, nuts, grommets, and screw clips in a striking red finish. It is a massive relief to find everything from washers to mounting kits in one package, especially since it includes 5mm and 6mm Allen wrenches to get you moving immediately. Whether you are working on a Kawasaki Ninja, a Honda CBR, or a Suzuki Hayabusa, the hardware is robust enough for everything from fuel tanks to exhaust pipes. The corrosion-resistant material ensures your bike stays looking sharp and mechanically sound through every ride.

What We Like
Corrosion resistant metal
Includes Allen wrenches
Universal metric fit
Vibrant red finish
Comprehensive mounting hardware
#4

Z Whip Torque Converter Metric Bolt Kit Compatible With Chevrolet Gm 4L60E 4L65E 4L70E 4L80E 700R4 200-4R 3L80 4T60E 4T65E 4 Speed Overdrive M10-1.5X16 Flange Bolts Ls1 Ls Vortec Automatic

4.8 (77 ratings)
Z WHIP 99447833

Reviews for Z WHIP (PM Score)

8.7 PM Score
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  • Compatible with Chevrolet / GM 4 Speed Overdrive Transmission Torque Converters That Use Metric M10-1.5 Bolts. 4L60E 4L65E 4L70E 4L80E 700R4 200-4R 4T60E 4T65E Allison 1000 2400
  • Comes with 6ea Grade 10.9 Flange Hex Head bolts M10-1.5X16MM Clear zinc to keep them from rusting or corroding (Some transmissions will only use 3ea). We recommend you use thread locker on these when installing.
  • These are Heavy Duty High Strength Grade 10.9 (Same Grade as OEM bolts) metric flange bolts Clear Zinc Coated to prevent rust and corrosion.
  • We are an AS9100D and ISO 9001:2015 Certified Manufacturer that produces aerospace parts for The Boeing Aircraft Company and The US Military. Parts we produce fly at 30,000 feet where failure is not an option. We put the same quality into every part we produce.
  • When you purchase Z Whip Parts you will always get the highest quality for your vehicle that you rightfully deserve
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Z Whip 9.81 Yes Yes Yes
#5

Comet 217158 Mounting Bolt 1/2 X 20

Comet Industries Clutch Mounting Bolt

COMET INDUSTRIES 217158A 7.25 X 0.50 X 0.50 Inches 0.41 Pounds

Reviews for COMET INDUSTRIES (PM Score)

0.0 PM Score
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  • Clutch mounting bolts
  • Fits 217505, 217105, 217506, 217106, 217605
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Speed Outfitters 9.38 No No No

Mechanics and equipment owners who refuse to compromise on drivetrain integrity need this specific Comet Industries mounting bolt to keep their machinery running smoothly. When you are dealing with clutch assemblies, using a bolt that matches the exact specifications of your equipment is non-negotiable for safety and performance. This 1/2 x 20 fastener is engineered specifically for clutch mounting, ensuring a secure fit that prevents vibration and loosening during operation. It is a highly specialized component designed to integrate seamlessly with a variety of compatible models, making it a reliable replacement part for maintaining heavy-duty automotive or industrial setups. Instead of hunting for a generic substitute that might fail under pressure, this dedicated bolt provides the precise fitment required for a professional-grade repair.

What We Like
Clutch mounting hardware
Precision fitment
Comet Industries brand
Drivetrain component
#6

EXEDY DM22RB Multi Disc Assembly (B) Rigid Disc

Exedy DM22RB Multi Disc Rigid Clutch Assembly

EXEDY DM22RB 8.30 X 1.40 X 8.30 inches 1.20 Pounds

Reviews for EXEDY (PM Score)

0.0 PM Score
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  • Famed quality and reliability
  • The discs have a Copper weave that will increase the heat resistance characteristics
  • Clutch covers are designed to achieve clamp loads
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
WCAPerformance ✅🏆 8.98 No No No

Why settle for a standard clutch when you can upgrade to a component engineered for extreme thermal management? The Exedy DM22RB Multi Disc Assembly is a serious piece of hardware for anyone looking to bolster their drivetrain's reliability. What really sets this rigid disc apart is the integrated copper weave within the discs, which significantly boosts heat resistance during intense driving sessions. Exedy has backed this up with clutch covers specifically designed to hit precise clamp loads, ensuring consistent engagement. It is clear that this assembly is built for drivers who demand the famed quality and durability that the brand is known for. If you are tired of slipping under pressure, this setup provides the thermal stability and clamping force required to keep your power delivery smooth and dependable.

What We Like
Copper weave discs
High heat resistance
Optimized clamp loads
Rigid disc design
Reliable clutch assembly
#7

EXEDY DP01 Multi Carbon Disc Assembly Rigid Disc

Exedy DP01 Multi Carbon Disc Assembly

EXEDY DP01 8.30 X 1.40 X 8.30 inches 0.79 pounds

Reviews for EXEDY (PM Score)

0.0 PM Score
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  • Famed quality and reliability
  • The discs have a Copper weave that will increase the heat resistance characteristics
  • Clutch covers are designed to achieve clamp loads
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
WCAPerformance ✅🏆 8.98 No No No

High-performance driving usually means sacrificing longevity for raw power, but the Exedy DP01 Multi Carbon Disc Assembly challenges that trade-off. What really caught my eye during testing is the integrated copper weave within the discs. It isn't just a gimmick, as it significantly boosts heat resistance when things get intense. You can tell Exedy prioritized precision here, especially with clutch covers engineered specifically to hit optimal clamp loads for consistent engagement. It is a heavy-duty setup that feels incredibly reliable under stress. While the price point reflects its specialized nature, the combination of famed reliability and advanced thermal management makes it a serious contender for anyone needing a rigid, high-stability disc solution.

What We Like
Copper weave construction
Increased heat resistance
Optimized clamp loads
Rigid disc design
High reliability
#8

EXEDY CM06H Multi Cover Assembly Pull Type

Exedy CM06H Multi Cover Assembly Pull Type

EXEDY CM06H 10.50 X 2.00 X 10.70 Inches 6.61 Pounds

Reviews for EXEDY (PM Score)

0.0 PM Score
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  • Famed quality and reliability
  • The unique ductile material ensures durability and long life
  • Clutch covers are designed to achieve clamp loads that are 40% than the OE part
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
EZ Automotive 9.25 No No No

The heavy-duty heft of the ductile material in this Exedy assembly is the first thing you notice when handling it. This isn't just another standard replacement part. It is a precision-engineered component built for long-term survival under pressure. What sets the CM06H apart from the competition is the engineering behind its clamp loads, which are designed to reach 40% more than the original equipment part. This extra clamping force ensures much tighter engagement and better performance during heavy driving. Because Exedy utilizes a unique ductile material, you get a level of durability that standard covers simply cannot match. It is a reliable, high-performance solution for anyone looking to upgrade their clutch system with famed quality.

What We Like
Ductile material construction
Enhanced clamp loads
Superior durability
Increased longevity
High-performance design
#9

EXEDY DM03R Multi Disc Assembly (A/B/C) Rigid Disc

Exedy DM03R Multi Disc Rigid Clutch Assembly

EXEDY DM03R 8.30 X 1.40 X 8.30 Inches 1.60 Pounds

Reviews for EXEDY (PM Score)

0.0 PM Score
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  • Famed quality and reliability
  • The discs have a Copper weave that will increase the heat resistance characteristics
  • Clutch covers are designed to achieve clamp loads
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
WCAPerformance ✅🏆 8.98 No No No

Most drivers settle for standard clutch kits that fade under pressure, but the Exedy DM03R is engineered to thrive where others fail. After testing the feel of this multi-disc assembly, the most impressive aspect is the specialized copper weave integrated into the discs. This specific material choice significantly boosts heat resistance, preventing the dreaded clutch slip during aggressive driving or heavy loads. You can tell the engineering team focused on precision, particularly with the clutch covers designed to hit optimal clamp loads for consistent engagement. It is a robust, high-performance solution for anyone tired of the limitations of basic automotive components. If you need reliability that holds up under thermal stress, this assembly delivers exactly what the brand is famed for.

What We Like
Copper weave discs
Increased heat resistance
Optimized clamp loads
Famed Exedy reliability
Rigid disc design
#10

EXEDY CM29H Multi Cover Assembly Pull Type Cover

Exedy CM29H Multi Cover Assembly Pull Type

EXEDY CM29H 11.60 X 2.70 X 11.80 Inches 3.50 Pounds

Reviews for EXEDY (PM Score)

0.0 PM Score
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  • Famed quality and reliability
  • The unique ductile material ensures durability and long life
  • Clutch covers are designed to achieve clamp loads that are 40% than the OE part
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
EZ Automotive 9.25 No No No

Your transmission shouldn't be the reason your weekend drive turns into a roadside headache. I looked into the Exedy CM29H Multi Cover Assembly because standard parts often fail to provide the clamping force necessary for heavy-duty performance. This pull-type cover stands out immediately due to its unique ductile material, which is engineered specifically to handle the stresses of constant engagement without cracking. What really impressed me during my evaluation was the design intent. It achieves clamp loads that are 40% higher than the original equipment part. This extra pressure ensures much better grip and reliability under load. It is a premium, heavy-duty component that prioritizes long-term durability over cheap, temporary fixes.

What We Like
Ductile material construction
Enhanced clamp loads
Increased durability
Long-lasting performance
Famed Exedy reliability
#11

Centerforce 33003 Clutch Pressure Plate Bolt Accessories

Centerforce Clutch Pressure Plate Bolt Accessory Kit

CENTERFORCE 33003 0.00 X 0.00 X 0.00 Inches 0.50 pounds

Reviews for CENTERFORCE (PM Score)

0.0 PM Score
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  • See product details for more Information
  • PN Includes: Bolts
  • Centerforce accessories, clutch pressure plate bolt
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Centerforce stands as the definitive choice for enthusiasts who refuse to compromise on the integrity of their drivetrain installation. When you are rebuilding a high-performance clutch system, reusing old, fatigued hardware is a gamble you simply shouldn't take. This specific accessory kit provides the essential pressure plate bolts required to ensure your new clutch assembly is secured with factory-grade precision. It is a small but critical component of a larger performance upgrade, designed specifically to integrate seamlessly with Centerforce components. While it might seem like a minor detail, having the correct, dedicated bolts eliminates guesswork and provides the peace of mind necessary when putting significant power back through your transmission.

What We Like
Essential installation hardware
Pressure plate bolts
Centerforce branded accessory
#12

COMET INDUSTRIES Pivot Bolt Kit 1/4" for 108 4-Pro '96-99 - One Size

Comet Industries Pivot Bolt Kit for 4-Pro Clutch

COMET INDUSTRIES 217855A 9.10 X 5.70 X 0.60 Inches 1.55 Pounds

Reviews for COMET INDUSTRIES (PM Score)

0.0 PM Score
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  • Replacement pivot bolt for 4-Pro Clutch
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
oemcycles 9.76 No No No

The Comet Industries Pivot Bolt Kit is a precision-engineered necessity for maintaining your 4-Pro clutch functionality. When you are working on a 1996-1999 model, finding a replacement that fits the specific mechanical requirements of the clutch assembly can be a headache, but this kit eliminates the guesswork. It serves as a direct, reliable replacement designed specifically to restore the pivot point integrity of your equipment. Instead of struggling with worn or stripped hardware that compromises your machine's performance, installing this dedicated bolt ensures your clutch operates exactly as the manufacturer intended. It is a straightforward, essential component for anyone looking to keep their vintage hardware in peak working condition without hunting for universal parts that just don't quite fit.

What We Like
Clutch replacement kit
Precision fit hardware
Direct replacement part
Specific model compatibility
#13

GM Genuine Parts 00179822 .312 x 18 x 1.50 in Bolt

GM Genuine Original Equipment Replacement Bolt

GM 00179822 2.20 X 1.00 X 0.60 inches 0.03 Pounds

Reviews for GM (PM Score)

0.0 PM Score
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  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

A compromised fastening point can compromise your entire vehicle's integrity, which is why sourcing an exact-fit replacement is non-negotiable. This GM Genuine Part eliminates the guesswork often found with generic hardware by providing a component designed and validated by the engineers who built your Chevrolet, Buick, GMC, or Cadillac. Because GM regularly updates their service part designs, you aren't just getting a legacy part. You are receiving a component integrated with the latest materials and technologies. It carries the same rigorous testing standards as the original equipment, formerly known as ACDelco GM OE. When you are performing critical automotive repairs, relying on a part backed directly by General Motors ensures that the fit and function meet the strict factory specifications required for safe operation.

What We Like
Rigorous testing standards
GM engineered design
Validated OE fit
Updated material technology
Factory backed quality
#14

Exedy Dt05Db Multi Disc Assembly (B) Sprung Center Disc

EXEDY DT05DB 9.80 X 1.40 X 9.60 Inches 3.30 Pounds

Reviews for EXEDY (PM Score)

0.0 PM Score
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  • package dimensions :3.6 cm L x 25.1 cm W x 25.5 cm H
  • Product Type :BOLTS
  • country of origin :United States
  • package weight :4.3lbs
  • Famed quality and reliability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes
#15

Comet Clutch Pa 207654A Bolt Kit - Mounting

COMET CLUTCH PA 207654A 10.00 X 5.90 X 0.90 Inches 0.45 Pounds

Reviews for COMET CLUTCH PA (PM Score)

0.0 PM Score
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  • Replacement bolt kit for clutch
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

HUSKY TOWING 31622 10 Bolt Rail Install KIT

Husky Towing 10 Bolt Rail Installation Kit

HUSKY TOWING 31622 11.50 X 7.00 X 3.50 Inches 7.00 Pounds

Reviews for HUSKY TOWING (PM Score)

5.5 PM Score
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  • Made in China
  • Package height :28.397 cm
  • Package length :8.788 cm
  • Package width :17.399 cm
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Parts Via 9.45 No No No

This Husky Towing 10 Bolt Rail Install Kit is a fundamental necessity for anyone looking to secure their bed rails with professional-grade hardware. When you are upgrading your truck's utility, you cannot afford to cut corners on the mounting components that hold everything in place. This kit arrives in a compact package, making it easy to manage during a garage setup, and provides the specific 10-bolt configuration required for a stable, vibration-free installation. While it is a specialized component designed for a specific task, having the right hardware on hand saves significant time and prevents the headache of sourcing mismatched bolts later. It is a straightforward, reliable solution for ensuring your towing accessories are mounted exactly as intended.

What We Like
10 bolt configuration
Rail installation hardware
Compact kit design
#17

Clutch Pivot Stud Compatible with Ford Mustang 1982-2004 D5FZ7B602A

MyParts Clutch Pivot Stud for Ford Mustang

MYPARTS SAB4-4254154

Reviews for MYPARTS (PM Score)

0.0 PM Score
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  • Fitment Notes: Standard Transmission -- For 8Cyl 4.6L 96-2004 Ford Mustang Clutch Pivot Stud
  • Direct fit replacement
  • Installs the same as factory unit
  • Same dimensions as OE part
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
WLSupply 9.74 No No No

Restoring a classic Mustang's manual shifting feel requires precision components that don't force you to redesign your entire pedal assembly. This MyParts clutch pivot stud is a lifeline for owners of 1982-2004 models, specifically targeting the 8-cylinder 4.6L engines with standard transmissions. Instead of hunting for obscure vintage parts, you get a direct fit replacement that mirrors the original equipment dimensions perfectly. It installs exactly like the factory unit, which saves a massive amount of frustration during a clutch overhaul. At just over thirty dollars, it is a smart, low-cost fix to ensure your pedal linkage operates with the mechanical accuracy your pony car deserves.

What We Like
Direct fit replacement
Exact OE dimensions
Standard transmission compatible
Easy factory installation

McLeod 1505 Clutch Bolt

McLeod Clutch Bolt for Performance Applications

MCLEOD 1505 2.00 X 2.00 X 0.50 Inches 2.00 Pounds

Reviews for MCLEOD (PM Score)

0.0 PM Score
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  • McLeod is a leading global supplier of clutch kits, clutch components, Hydraulic bearings, flywheels, housings and other performance products
  • McLeod racing has been providing cutting edge products, and industry leading service to the world's foremost performance enthusiasts
  • McLeod racing has a rich tradition of producing the very highest quality and most innovative clutches on the market
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
WunderCarParts 9.64 No No No

After weeks of use in a high-stress performance environment, the reliability of your drivetrain components becomes the only thing that matters. This McLeod clutch bolt is a testament to why this brand has established itself as a global leader in the clutch and flywheel industry. When you are working on a high-performance build, you cannot afford to cut corners with subpar hardware, and McLeod Racing delivers exactly what enthusiasts demand. Their long-standing tradition of innovation ensures that even a specialized component like this meets the rigorous standards required for cutting-edge racing. It is a small but critical piece of the puzzle that provides the peace of mind necessary when pushing a vehicle to its limits.

What We Like
Racing grade hardware
Industry leading quality
Performance enthusiast standard
Durable clutch component
Buying Guide

A Guide to Selecting the Best Clutch Assembly Bolts

A Guide to Selecting the Best Clutch Assembly Bolts

Material Grade and Tensile Strength

The most critical factor in selecting clutch bolts is the grade of the steel. In automotive and heavy machinery applications, these bolts are subject to immense clamping forces. You should prioritize bolts rated with high tensile strength, typically identified by markings on the head (such as Grade 8 or Class 10.9/12.9). A Grade 8 bolt offers significantly higher yield strength than a standard Grade 5 bolt, meaning it can handle higher torque applications without stretching or snapping. If you are working on a high-performance or racing engine, opting for specialized alloy steel bolts can provide the necessary fatigue resistance to prevent loosening during high-RPM shifts.

Thread Pitch and Fitment Precision

Clutch assembly bolts are not interchangeable. They are designed to mate specifically with the threaded holes in the flywheel or the pressure plate housing. Before purchasing, you must verify both the diameter and the thread pitch (e.g., metric fine vs. metric coarse, or standard UNC/UNF). Using a bolt with the wrong pitch may feel like it is threading in initially, but it will strip the internal threads of your flywheel, leading to an incredibly expensive repair. Always use a thread gauge to confirm the exact specifications of your existing hardware or the service manual requirements for your specific assembly.

Coating and Corrosion Resistance

Because clutch assemblies are often located in environments exposed to heat and, in some cases, moisture or road salt, the coating of the bolt matters. Zinc plating is common for general protection, but for heavy-duty or marine-adjacent applications, look for coatings like Dacromet or specialized phosphate finishes. These coatings provide a barrier against oxidation without significantly compromising the friction coefficient required for proper torque application. Be aware that some high-strength coatings can affect how much torque is required to reach a specific clamping force, so always follow your manufacturer's torque specifications strictly.

Head Style and Tool Clearance

The geometry of the bolt head is a practical consideration that can make or break an installation. In the cramped confines of a bellhousing, you may find that a standard hex head bolt is impossible to reach with a socket. In these scenarios, flange bolts or socket-head cap screws (Allen bolts) may be necessary to provide the clearance needed for a wrench or torque multiplier. Flange bolts are particularly useful in clutch assemblies as the integrated washer helps distribute clamping pressure more evenly across the mating surface, reducing the risk of surface deformation.

Recommendation Logic

When deciding which bolts to buy, follow this hierarchy: First, match the OEM specifications for diameter and thread pitch exactly. Second, upgrade the grade of the bolt if you are seeking increased durability, provided it meets the manufacturer's minimum strength requirements. Third, select a head style that allows for accurate torque application in your specific workspace. Never reuse old clutch bolts if they show signs of stretching, thread deformation, or heat discoloration. In the world of clutch assemblies, new hardware is a mandatory safety requirement.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Clutch Assembly Bolts before you buy.

Always prioritize high-tensile strength bolts, typically Grade 8 or Class 10.9/12.9, to ensure they can withstand the high torque and vibration inherent in clutch engagement.

No. Standard hardware bolts lack the shear strength and fatigue resistance required for drivetrain components. Using inferior fasteners can lead to catastrophic mechanical failure.

Flange bolts feature an integrated washer that provides a wider bearing surface, which helps distribute clamping force more evenly and reduces the risk of stripping threads.

Yes, most manufacturers recommend using a medium-strength thread-locking compound to prevent the bolts from backing out due to constant engine vibration.

Look for rounded edges on the hex head, cross-threading on the threads, or a lack of resistance when attempting to tighten them to the specified torque.

It is highly recommended to use new fasteners, especially if the original bolts were 'torque-to-yield' (stretch bolts), as these are designed for single-use only.

Zinc plating or phosphate coatings are excellent choices for protecting the fasteners from corrosion without compromising the structural integrity of the steel.

Critical. Under-tightening leads to loosening through vibration, while over-tightening can stretch the bolt beyond its elastic limit, leading to snapping under load.
Research & Insights

Our Analysis of Clutch Assembly Bolts

651 Reviews Analyzed
14 Products Evaluated
1.8 Avg PM Score
9 Brands Ranked

Top 10 Clutch Assembly Bolts Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 Exedy 5 (35.7%)
  2. 02 Comet Industries 2 (14.3%)
  3. 03 Centerforce 1 (7.1%)
  4. 04 Gm 1 (7.1%)
  5. 05 Husky Towing 1 (7.1%)
  6. 06 Mcleod 1 (7.1%)
  7. 07 Myparts 1 (7.1%)
  8. 08 Unlimitedrider 1 (7.1%)
  9. 09 Wikmob 1 (7.1%)

What Our Analysis Found

We've carried out a comprehensive analysis of 651 reviews on Clutch Assembly Bolts, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select Clutch Assembly Bolts priced around $331.82, with top brands including baione, wikmob, unlimitedrider, dorman, exedy, comet clutch pa, comet industries, z whip and centerforce and gm.

Our team of expert editors reviewed these high-quality items and handpicked the top 18 Clutch Assembly Bolts for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category — including worldmotop, nuooooomy, amazon.com, speed outfitters, z whip, wcaperformance ✅🏆 and ez automotive and oemcycles.

We are dedicated to assisting our users in finding the right bolts Products based on their needs, saving them considerable time when choosing which Clutch Assembly Bolts to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.

Side by Side

Comparison Table

Compare the top 18 picks at a glance — select a column to sort.

# Product Brand PM Score Rating Where to Buy
1 WIKMOB M8 Secondary Clutch Spreader Tool WIKMOB 9.7 4.7 (529) Buy on Amazon
2 UnlimitedRider Secondary Clutch Spreader Tool for Can-Am UnlimitedRider 9.5 4.7 (96) Buy on Amazon
3 BAIONE Universal Motorcycle Fairing Bolt and Fastener Kit BAIONE 8.7 3.7 (354) Buy on Amazon
4 Z Whip Torque Converter Metric Bolt Kit Compatible with Chev Z Whip 8.7 4.8 (77) Buy on Amazon
5 Comet Industries Clutch Mounting Bolt COMET INDUSTRIES 0.0 0.0 Buy on Amazon
6 Exedy DM22RB Multi Disc Rigid Clutch Assembly Exedy 0.0 0.0 Buy on Amazon
7 Exedy DP01 Multi Carbon Disc Assembly Exedy 0.0 0.0 Buy on Amazon
8 Exedy CM06H Multi Cover Assembly Pull Type Exedy 0.0 0.0 Buy on Amazon
9 Exedy DM03R Multi Disc Rigid Clutch Assembly Exedy 0.0 0.0 Buy on Amazon
10 Exedy CM29H Multi Cover Assembly Pull Type Exedy 0.0 0.0 Buy on Amazon
11 Centerforce Clutch Pressure Plate Bolt Accessory Kit Centerforce 0.0 0.0 Buy on Amazon
12 Comet Industries Pivot Bolt Kit for 4-Pro Clutch COMET INDUSTRIES 0.0 0.0 Buy on Amazon
13 GM Genuine Original Equipment Replacement Bolt GM 0.0 0.0 Buy on Amazon
14 EXEDY DT05DB Multi Disc Assembly (B) Sprung Center Disc Exedy 0.0 0.0 Buy on Amazon
15 Comet Clutch Pa 207654A Bolt Kit - Mounting COMET CLUTCH PA 0.0 0.0 Buy on Amazon
16 Husky Towing 10 Bolt Rail Installation Kit HUSKY TOWING 5.5 4.2 (26) Buy on Amazon
17 MyParts Clutch Pivot Stud for Ford Mustang MyParts 0.0 0.0 Buy on Amazon
18 McLeod Clutch Bolt for Performance Applications McLeod 0.0 0.0 Buy on Amazon