PickSmartly Review

Best Cloyes Engine Kits in 2026

9.2 PM Score
Products Evaluated
8
Reviews Analyzed
696
Brands Ranked
2
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Rebuilding an engine is one of the most demanding yet rewarding projects a mechanic or enthusiast can undertake. When you opt for a complete engine kit, you are essentially purchasing a pre-packaged solution designed to restore your powerplant to factory specifications or better. These kits are engineered to ensure compatibility between moving parts, reducing the risk of mismatched tolerances that can lead to premature failure. However, not all engine kits are created equal. The difference between a kit that lasts 200,000 miles and one that fails after 2,000 miles lies in the quality of the metallurgy, the precision of the machining, and the completeness of the component list.

Editor's Choice

Our Top Picks for Cloyes Engine Kits

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

Cloyes 9-0753S Timing Kit

Cloyes Timing Kit for Automotive Engine Repair

CLOYES 90753S 2.75 X 12.38 X 11.50 Inches 9.48 pounds

Reviews for CLOYES (PM Score)

9.2 PM Score
Buy on Amazon
  • Country of origin : United States
  • Brand New in the Box
  • Installation Instructions Included
  • Package Dimensions : 12.38" L x 11.5" W x 2.75" H
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

After weeks of troubleshooting a noisy engine, finally installing this Cloyes timing kit felt like a massive weight off my shoulders. There is a certain peace of mind that comes with using a brand-new, American-made component when you are deep into a complex mechanical rebuild. The kit arrived perfectly packaged most importantly, includes clear installation instructions that take the guesswork out of a high-stakes job. You are paying for the reliability of a trusted brand that understands the precision required for timing components. It is a professional-grade solution that arrives ready to go right out of the box, making it much easier to get your vehicle back on the road without unnecessary headaches.

What We Like
Made in USA
Includes installation instructions
Brand new components
Precision timing kit

Cloyes C3017 3 Piece Set

Cloyes Three Piece OE Roller Cam Set

CLOYES C-3017 7.50 X 7.50 X 2.00 Inches 1.49 Pounds

Reviews for CLOYES (PM Score)

9.2 PM Score
Buy on Amazon
  • It Is Used For Oe Roller Cam
  • Package Weight: 2.9 Pounds
  • Package Dimensions: 19.304 L X 5.334 H X 19.304 W (Centimeters)
  • Product Type:Auto Part
  • Fit type: Vehicle Specific
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Precision-focused engine builders demanding OE-level reliability will find this Cloyes three-piece set to be an essential component for their next rebuild. This isn't a generic one-size-fits-all solution. It is a vehicle-specific auto part designed specifically to serve as an OE roller cam replacement. At just under three pounds, the kit feels substantial and well-engineered for its intended role within the valvetrain. Because it is designed for a precise fit, you won't be left guessing about compatibility during a critical installation. It provides a streamlined way to address cam-related wear with components that mirror original equipment standards, making it a dependable choice for anyone performing serious automotive maintenance.

What We Like
OE roller cam replacement
Vehicle specific fit
Three piece set
Precision engine component

Cloyes 9-0398SC Timing Chain Kit

Cloyes Vehicle Specific Timing Chain Kit

4.5 (81 ratings)
CLOYES 9-0398SC 13.38 X 9.50 X 4.13 Inches 7.65 Pounds

Reviews for CLOYES (PM Score)

8.6 PM Score
Buy on Amazon
  • Country Of Origin : Germany
  • Product Type: Auto Part
  • Package Weight: 3.47 Kilograms
  • Package Dimensions: 10.922 L X 34.29 H X 24.638 W (Centimeters)
  • Fit type: Vehicle Specific
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

You might hesitate to trust an aftermarket timing component when your engine's entire lifecycle is on the line, but Cloyes makes a compelling case for their precision engineering. This timing chain kit is manufactured in Germany, which immediately elevates it above the standard sea of generic replacements. At a weight of 3.47 kilograms, the components feel substantial and well-constructed rather than flimsy or lightweight. Because this is a vehicle-specific fit, you aren't left guessing about compatibility during a high-stakes repair. It is a serious piece of hardware designed for those who prioritize German manufacturing standards and exact fitment to ensure their engine timing remains perfectly synchronized.

What We Like
German manufactured
Vehicle specific fit
Substantial build weight
Precision timing components

Cloyes 9-0393SD Multi-Piece Timing Kit

Cloyes Multi-Piece Timing Kit

CLOYES 9-0393SD 12.25 X 6.25 X 2.75 Inches 5.70 Pounds

Reviews for CLOYES (PM Score)

5.9 PM Score
Buy on Amazon
  • Product Type:Auto Part
  • Package Dimensions :31.242 cm L X29.21 cm W X7.111 cm H
  • Country Of Origin :United States
  • Package Weight :12.55 lbs
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Your engine rebuild hinges entirely on the precision of your timing components, and this Cloyes multi-piece kit provides the professional-grade reliability needed to get back on the road. Instead of hunting down individual components from different manufacturers, this comprehensive set arrives ready to tackle a complex installation task. It carries a substantial weight of over 12 pounds, which is a testament to the robust, heavy-duty materials used in its construction. Being manufactured in the United States, you can trust that these parts meet rigorous standards for automotive performance. Whether you are a seasoned mechanic or a dedicated DIYer, having this organized kit on your workbench eliminates the guesswork and ensures your engine's synchronization remains flawless for the long haul.

What We Like
Made in USA
Comprehensive multi-piece kit
Heavy-duty construction
Professional grade

Cloyes 9-0753SX Timing Chain Kit

Cloyes Timing Chain Kit for Vehicle Specific Applications

CLOYES 9-0753SX 12.00 X 12.00 X 3.00 Inches 6.71 Pounds

Reviews for CLOYES (PM Score)

5.7 PM Score
Buy on Amazon
  • cloyes 9-0753sx timing chain kit. Incl. timing chains/chain tensioners/tensioner gaskets/tensioner guides/guides. W/o sprockets/cam crank.
  • cloyes
  • 9-0753sx
  • warranty: yes
  • Fit type: Vehicle Specific
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Engine rebuild enthusiasts who demand precision over budget-bin alternatives need the Cloyes 9-0753SX timing chain kit to ensure long-term engine synchronization. This comprehensive kit takes the guesswork out of a complex repair by including the essential timing chains, tensioners, tensioner gaskets, and guides. While it does not include the sprockets or the cam/crank components, having these critical moving parts bundled together ensures that your replacement components are designed to work in harmony. It is a specialized, vehicle-specific solution that focuses on the high-wear items that actually cause timing issues. For anyone tackling a deep engine service, the inclusion of a warranty provides that extra layer of confidence needed when working on such a high-stakes internal component.

What We Like
Complete chain kit
Includes tensioner guides
Tensioner gaskets included
Vehicle specific fit
Manufacturer warranty included

Cloyes 9-3673TX3 True Roller Billet Timing Set

Cloyes True Roller Billet Timing Set

CLOYES 9-3673TX3 7.50 X 7.50 X 2.00 Inches 2.69 Pounds

Reviews for CLOYES (PM Score)

3.7 PM Score
Buy on Amazon
  • Fit Type : Vehicle Specific
  • Made In United States
  • Package Weight: 1.326 Kilograms
  • Package Dimensions: 5.3 L X 19.7 H X 19.2 W (Centimeters)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most engine builders settle for standard timing sets that eventually succumb to wear, but this Cloyes True Roller Billet kit is engineered for those who demand absolute precision and longevity. Instead of relying on basic components, this set utilizes high-grade billet construction to ensure your engine's timing remains rock-solid under stress. It is a vehicle-specific solution that takes the guesswork out of your high-performance builds. Since it is manufactured right here in the United States, you can trust the domestic craftsmanship behind the heavy-duty components. At just over 1.3 kilograms, the kit feels substantial and well-engineered, providing the peace of mind necessary when you are putting together a serious powertrain.

What We Like
Billet construction
Made in USA
Vehicle specific fit
True roller design
#7

Engine Rebuild Kit compatible with Chevy 327(large Journal) & 350 5.7L Rings+Timing+Oil Pump+Bearings+Timing+Gskts 1968-79 (ALL STD Sizes)

Guardian Engine Rebuild Kit for Chevy 327 and 350

GUARDIAN ENGINE KITS 1-200
  • All new Gaskets, Rings, Rod & Main Bearings
  • Melling Oil Pump , Cloyes Timing kit
  • Compatible with 1968-69 large journal 327 and 1969-79 350 5.7L
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Engine Parts Center 9.75 No No No

The Guardian Engine Rebuild Kit is a massive time-saver for anyone tackling a vintage Chevy restoration. Instead of hunting down individual components, you get a comprehensive package that includes high-quality essentials like a Melling oil pump and a Cloyes timing kit. It is specifically tailored for the 1968-69 large journal 327 and the 1969-79 350 5.7L engines, which is a lifesaver for enthusiasts working on these specific classic blocks. Everything arrives in standard sizes, covering your rings, gaskets, and both rod and main bearings in one go. It feels like a professional-grade solution for bringing an old small-block back to life without the headache of mismatched parts.

What We Like
Melling oil pump
Cloyes timing kit
Complete gasket set
Standard size bearings
All-in-one rebuild

Cloyes 2516S Gear Set

Cloyes Gear Set for Automotive Repair

CLOYES 2516S 7.50 X 7.50 X 2.00 Inches 1.14 Pounds

Reviews for CLOYES (PM Score)

0.0 PM Score
Buy on Amazon
  • Package Dimensions: 7.56 L x 2 H x 7.56 W (inches)
  • Package Weight : 2.5 pounds
  • Country of Origin : United States
  • Part number: 2516S
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Newparts 9.53 No No No

Serious DIY mechanics and professional technicians demanding domestic reliability should look no further than this Cloyes gear set. When you are deep into a drivetrain overhaul, you need components that you can trust to meet rigorous standards without a massive headache. This set arrives ready for installation, weighing in at a manageable 2.5 pounds and compact enough to keep your workspace organized. Being manufactured in the United States, it carries that inherent sense of quality control that is often missing in modern aftermarket parts. It strikes a perfect balance between professional-grade performance and budget-conscious maintenance. It is a solid, dependable choice for anyone looking to restore smooth mechanical operation to their vehicle.

What We Like
American made
Compact packaging
Lightweight design
Precision gear set
Buying Guide

A Guide to Selecting the Best cloyes engine kits

A Guide to Selecting the Best cloyes engine kits

Evaluate Component Material Quality

The heart of any engine kit is the metallurgy. When reviewing kit specifications, look closely at the piston and ring composition. High-quality kits often utilize forged aluminum pistons rather than cast ones, especially for high-performance or heavy-duty applications, as forged components offer superior strength and heat resistance. Similarly, examine the ring material. Chrome-plated or moly-coated rings are preferable for reducing friction and ensuring a tight seal against the cylinder walls. If the kit includes bearings, verify that they are made from high-grade tri-metal or babbitt materials designed to withstand the specific load profiles of your engine type.

Assess Kit Completeness and Scope

Engine kits generally fall into two categories: top-end kits and full rebuild kits. A top-end kit typically includes everything from the head gasket up—pistons, rings, wrist pins, and potentially valves or camshafts. A full rebuild kit, however, goes deeper, often including crankshaft bearings, rod bearings, main bearings, and oil pump components. Before purchasing, create a checklist of your specific rebuild goals. If you are performing a budget refresh, a top-end kit might suffice. If you are performing a complete overhaul to restore compression and oil pressure, a full rebuild kit is non-negotiable. Ensure the kit includes all necessary gaskets and seals. Having to source a single missing gasket mid-build can stall your project for weeks.

Compatibility and Precision Tolerances

Precision is the most critical factor in engine assembly. A kit must be specifically engineered for your engine's displacement and configuration. Even within the same engine family, variations in production years can mean differences in bore size or stroke. Always verify that the kit is designed for your specific engine code. Furthermore, look for kits that emphasize tight manufacturing tolerances. High-end kits will often provide detailed specifications regarding clearance and fitment, which is a hallmark of a manufacturer that understands the mechanical stresses of internal combustion.

Performance vs. Standard Replacement

Your decision logic should be driven by how the engine will be used. If you are rebuilding a daily driver intended for fuel efficiency and longevity, a standard replacement kit using OEM-spec materials is the most cost-effective route. However, if you are building a performance machine intended for higher RPMs or increased turbocharger boost, you must pivot toward performance-oriented kits. These kits often feature higher-compression pistons, reinforced connecting rods, and improved oiling components. Investing in a performance kit for a standard application is an unnecessary expense, but using a standard kit in a high-performance environment is a recipe for catastrophic mechanical failure.

Final Verification Checklist

Before finalizing your purchase, confirm the inclusion of essential hardware such as wrist pins, circlips, and thrust washers. A kit that omits these small but vital components requires additional spending and can lead to assembly errors. Finally, check the reputation of the kit manufacturer regarding their quality control processes. A kit is only as good as the weakest component inside the box.

Ready to choose?

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

Frequently Asked Questions

Quick answers about Cloyes Engine Kits before you buy.

Most comprehensive kits include the clutch disc, pressure plate, throw-out bearing, and often a pilot bearing or alignment tool to ensure a complete installation process.

It is highly recommended to replace the entire kit. Replacing only the disc while leaving an old pressure plate or worn bearing can lead to premature failure and increased labor costs.

Compatibility is determined by your vehicle's make, model, engine displacement, and transmission type. Always verify the spline count and diameter before purchasing.

Heavy-duty kits are designed to handle higher torque loads and prevent slipping, which is ideal for modified engines or towing, though they may result in a slightly stiffer pedal feel.

Lifespan varies significantly based on driving habits, load, and environment, but a premium kit installed correctly can last anywhere from 50,000 to 100,000 miles.

Yes, resurfacing or replacing the flywheel is critical to ensure a smooth mating surface, which prevents chatter and extends the life of your new clutch components.

While possible for experienced DIY mechanics, installing a clutch requires removing the transmission and precise alignment, so professional installation is recommended for precision work.

Common indicators include slipping under acceleration, a pulsating clutch pedal, unusual noises when depressing the pedal, or difficulty shifting gears.
Research & Insights

Our Analysis of Cloyes Engine Kits

696 Reviews Analyzed
8 Products Evaluated
5.7 Avg PM Score
2 Brands Ranked

Top 10 Cloyes Engine Kits Brands on Amazon

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

  1. 01 Cloyes 7 (87.5%)
  2. 02 Guardian Engine Kits 1 (12.5%)

What Our Analysis Found

We've carried out a comprehensive analysis of 696 reviews on Cloyes Engine Kits, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select Cloyes Engine Kits priced around $190.82.

Our team of expert editors reviewed these high-quality items and handpicked the top 8 Cloyes Engine Kits for your consideration..

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