Best Performance Engine Intake Manifold Bolt Spring Kits in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
KEEPS EXHAUST PARTS IN PLACE -- Designed to support undercar exhaust components
CONSISTENT PERFORMANCE -- Spring designed with the right compression strength for a secure connection
PREMIUM MATERIALS -- Made from high-quality materials for durability and long life
THE RIGHT CONNECTION -- Designed to be used for ball and socket joint
BETTER TOGETHER -- Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Z Whip | 9.84 | ✅ | ✅ | ✅ |
Compatible with all Chevy Small Block Oem and Most Aftermarket Intake Manifolds 265 283 305 307 327 350 383 400
These are High Grade Zinc Coated Flange Bolts for Extra Clamping Force
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
Includes 12ea bolts.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
KEEPS EXHAUST PARTS IN PLACE -- Designed to support undercar exhaust components
CONSISTENT PERFORMANCE -- Spring designed with the right compression strength for a secure connection
PREMIUM MATERIALS -- Made from high-quality materials for durability and long life
THE RIGHT CONNECTION -- Designed to be used for ball and socket joint
BETTER TOGETHER -- Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Ideal replacement - the manifold bolt and spring match the fit and function of the original equipment hardware, including bolt diameter, thread pitch and head type
Complete installation - this kit includes hardware required for securely attaching the manifold to the exhaust system
Trustworthy construction - the kit's bolt and spring are made of hardened steel for durable, long-lasting service life
Quality tested - kit components have undergone extensive testing to ensure proper function and long service life
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Z Whip | 9.84 | ✅ | ✅ | ✅ |
Compatible with Ford Small Block 260 289 302 (Late 351W) OEM and Aftermarket Intake Manifolds
These are High Grade 18-8 (304) Stainless-Steel 12ea 5/16x2.0” Bolts and SS Washers That will NOT rust or Corrode like the chrome or steel ones sold. These Use a 1/4” Allen Wrench/Socket
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
Meets or Exceeds Industry Standard ASME / ANSI Specifications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AutoPlus Auto Parts | 9.40 | ❌ | ❌ | ❌ |
Fits small block Chevrolet 265-400 and Chrysler 273-439
3/8 In.16 x 1 In., grade 5, chrome plated 12 point hex head bolts.
Bolt set includes a chrome custom tool
Made from high quality material
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Z Whip | 9.84 | ✅ | ✅ | ✅ |
Compatible with 1958-2000 Chevy Big Block OEM and Aftermarket Intake Manifolds 348 366 402 409 427 396 454 502
These are High Grade 18-8 Stainless-Steel Steel 3/8-16x1” Bolts and Washers That will NOT rust or Corrode like the chrome or steel ones sold. These Use a 5/16” Allen Wrench/Socket
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
Meets or Exceeds Industry Standard ASME / ANSI Specifications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Fits small block Chevrolet 265-400 and Chrysler 273-440 cubic inch engines
3/8 inches x 1 inch
Hex head intake bolt design is easier to install in tight spaces
Made from high quality material
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Crazy4Performance | 9.33 | ❌ | ❌ | ❌ |
Package Dimension : 3.81 centimeters L x 5.588 centimeters W x 8.636 centimeters H
Country of Origin: UNITED STATES
Package Weight: 0.6 pounds
Fit type: Vehicle Specific
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AsaPerformance direct | 9.44 | ❌ | ❌ | ❌ |
Facilitates optimum sealing of gasket surfaces to prevent intake manifold leaks
Manufactured from chrome moly steel with a black oxide finish
Rated at 170,000 PSI, which is considerably stronger than Grade 8 hardware
Precision rolled threads prevent galling while promoting more consistent torque loading
Heads are conventional hex style, and washers are included
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Performance Parts Racing | 9.66 | ❌ | ❌ | ❌ |
BOLT KIT INTAKE MANIFOLD GM LS1/LS2 SERIES
Part number: 8515
Fit type: Vehicle Specific
Package Weight: 0.400 pounds
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Z Whip | 3 |
| Arp | 2 |
| Spectre | 2 |
| Walker | 2 |
| Dorman | 1 |
| Edelbrock | 1 |
| Trans-Dapt | 1 |
We've carried out a comprehensive analysis of 4,810 reviews on performance engine intake manifold bolt spring kits, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select performance engine intake manifold bolt spring kits priced around $18.91, with top brands including ict billet, gm, z whip, dorman, edelbrock, fel-pro, mingdun, walker and arp and needenr
Our team of expert editors reviewed these high-quality items and handpicked the top 12 performance engine intake manifold bolt spring kits for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include performance parts racing, amazon.com, z whip and mingdun and asaperformance direct .
We are dedicated to assisting our users in finding the right parts Products based on their needs, saving them considerable time when choosing which performance engine intake manifold bolt spring kits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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