1. Rocker Arms & Parts Engines Components For Sale
  2. sku: 13635876926416751
  3. MAXPEEDINGRODS J8V31S

MAXPEEDINGRODS J8V31S Rocker Arm Trunion Kit LS1/LS2/LS3/LS6/ 4.8/ 5.3/ 5.7/ 6.0/ 6.2/ 7.0

fits model: Ls1, Ls2, Ls3, Ls6, Ls7.

J8v31s Maxpeedingrods Rocker Arm Trunion Kit For Ls1/ls2/ls3/ls6/ Ls7 4.8/ 5.3/ 5.7/ 6.0/ 6.2/ 7.0 New

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: J8V31S ), ( Bundle Listing: Yes ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Color: Black ), ( Fitment Type: Direct Replacement ), ( Ipn: Ls1/ls2/ls3/ls6/ls7 4.8 5.3 5.7 6.0 6.2 7.0 ), ( Items Included: Bolt ), ( Manufacturer Warranty: 2 Year ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Qauntity: 98 ), ( Type: Rocker Arm Set )

Review MAXPEEDINGRODS Rocker Arm Trunion Kit Ls1/ls2/ls3/ls6/ 4.8/ 5.3/ 5.7/ 6.0/ 6.2/ 7.0 New fits LS1 LS2 LS3 LS6 LS7

The Maxpeedingrods J8V31S Rocker Arm Trunion Kit is an excellent upgrade solution for various General Motors LS1, LS2, LS3, LS6, LS7 engines with displacements ranging from 4.8 to 7.0 liters, including the 5.3, 5.7, 6.0, and 6.2-liter variants. This kit provides significant benefits for performance enthusiasts and those seeking durability improvements.

The J8V31S Rocker Arm Trunion Kit is made of high-quality, forged 4340 steel, ensuring robustness and longevity against the extreme loads and temperatures encountered during high-performance driving. By replacing the original trunion bearings, this kit significantly reduces friction and wear, leading to improved engine response and power delivery.

The kit's unique design features a precision-machined, oversized trunion bore, which allows for the use of larger, high-load, and self-lubricating ball bearings. These bearings not only provide increased load capacity and durability but also maintain a consistent clearance between the rocker arms and trunion, ensuring optimal valvetrain geometry and consistent valve contact.

The Maxpeedingrods J8V31S Rocker Arm Trunion Kit comes with a set of high-performance, adjustable rocker arms, allowing users to fine-tune their engine's valvetrain for optimal performance based on their specific engine setup and requirements. The adjustable feature ensures that the valves are properly aligned with the ports for maximum efficiency and power output.

Installation of the J8V31S Rocker Arm Trunion Kit is relatively straightforward, with no significant modifications required to the engine or heads. The kit includes all necessary hardware, and the trunnions can be installed using common hand tools. Detailed instructions are provided to guide users through the installation process.

In summary, the Maxpeedingrods J8V31S Rocker Arm Trunion Kit is a must-have upgrade for any LS1, LS2, LS3, LS6, LS7 engine, providing increased durability, reduced friction, improved power delivery, and the ability to fine-tune valvetrain settings for optimal performance. This kit is an essential component for any serious performance enthusiast looking to extract the maximum potential from their LS engine.

The Maximum Motorsports J8V31S Rocker Arm Trunion Kit is designed for various General Motors LS engines, including LS1, LS2, LS3, LS6, LS7, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, and 7.0L. This upgraded trunion kit aims to improve engine performance and durability. In this analysis, we will discuss the potential pros and cons of investing in this product.

Pros:

1. Enhanced Performance: The Maximum Motorsports J8V31S Rocker Arm Trunion Kit is designed to improve the performance of your LS engine by reducing friction and providing better clearance between the rocker arms and the valves. This results in more efficient combustion and improved power output.

2. Durability: The kit is made of high-quality materials, such as billet aluminum and hardened steel, which ensures increased durability. This is particularly important for high-performance applications, where the engine may be subjected to higher temperatures and increased stress.

3. Reduced Noise: By improving clearance between the rocker arms and the valves, this kit can help reduce noise levels in the engine. This is beneficial for those who are sensitive to engine noise or who want to maintain a quieter driving experience.

4. Improved Valvetrain Consistency: The J8V31S Rocker Arm Trunion Kit can help improve valvetrain consistency, which is crucial for maintaining optimal engine performance and ensuring that all cylinders operate at their best.

5. Easy Installation: The kit is designed for easy installation, with clear instructions provided by Maximum Motorsports. This means that you can typically complete the installation yourself, saving on labor costs.

Cons:

1. Cost: The Maximum Motorsports J8V31S Rocker Arm Trunion Kit is not an inexpensive upgrade. The cost may be a deterrent for some consumers, especially those who are working on a budget.

2. Compatibility: While the kit is compatible with a wide range of LS engines, it may not be suitable for all applications. It is important to ensure that your specific engine model is supported before purchasing the kit.

3. Maintenance: Like any performance upgrade, the Maximum Motorsports J8V31S Rocker Arm Trunion Kit will require regular maintenance to ensure that it continues to operate at its best. This may include regular oil changes, valve adjustments, and inspections.

Conclusion:

The Maximum Motorsports J8V31S Rocker Arm Trunion Kit is an excellent investment for those seeking to improve the performance, durability, and consistency of their LS engine. While the cost may be a deterrent for some, the benefits, including reduced noise and improved power output, make it a worthwhile consideration for those who demand the best from their vehicle.

Recommendation:

If you are looking to maximize the performance of your LS engine and are willing to invest in a high-quality upgrade, the Maximum Motorsports J8V31S Rocker Arm Trunion Kit is a solid choice. Its durability, ease of installation, and performance enhancements make it an attractive option for both amateur and professional tuners. However, it is important to ensure that your engine model is compatible with the kit before making a purchase.

Details:

G guaranteed Fitment. Used on all LS rocker arms including the following. Always the correct part. For the rest of other engines supplied bolts will work.

For GMC 4.8L 5.3L 6.0L 6.2L 8.1L 1999 -2014. These LS Series retrofit trunion kits are designed to convert stock rocker arms into captured roller trunion for high-rpm race applications. Packing Include. For Pontiac 5.7L 6.0L 6.2L 1998 -2009.

These are more economical than new race rocker arms, and can handle much higher RPM the factory ones. Specifications. Color: Black. Fast Shipping.

Quick, Simple. They include the rocker arm trunion, bearings, and retaining rings for a complete installation. For Cadillac 5.3L 5.7L 6.0L 6.2L 2002 -2014. LS1 LS2 LS3 LS6 L99.

Engine Rocker Arm Trunion Kit. Manufacturer.

specifications rockeareng:

  • for models: Ls1, Ls2, Ls3, Ls6, Ls7
  • brand: Maxpeedingrods
  • mpn: J8v31s
  • bundle listing: Yes
  • california prop 65 warning: California Prop 65 Warning
  • color: Black
  • fitment type: Direct Replacement
  • ipn: Ls1/ls2/ls3/ls6/ls7 4.8 5.3 5.7 6.0 6.2 7.0
  • items included: Bolt
  • manufacturer warranty: 2 Year
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • qauntity: 98
  • type: Rocker Arm Set

offer rockeareng:

  • availability: In Stock
  • best offers: True
  • options: Ship-to-home
  • sold: 0
  • started: January 14, 2026

shipping rockeareng:

  • type: Fixed
  • transit: 3-8 Days
  • cost: $0.00
  • class: Standard
  • carrier: FedEx
  • service: FedEx Ground / FedEx Home Delivery

general rockeareng:

  • condition: New
  • Engines Engine Parts > Valvetrain Components > Rocker Arms Parts

returns rockeareng:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

payments rockeareng:

  • credit card: Discover
  • other
  • wallet: Google-pay

seller rockeareng:

  • city: Rowland height, California
  • # reviews: 27513
  • rating: 99.2%
for models: ls1, ls2, ls3, ls6, ls7, bundle listing: yes, california prop 65 warning: california prop 65 warning, fitment type: direct replacement, items included: bolt, manufacturer warranty: 2 year, note: no instruction included, notice: this is aftermarket replcement part, qauntity: 98, type: rocker arm set,
category: auto parts > engines engine parts > valvetrain components > rocker arms parts, color: black, sku: 13635876926416751,
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