1. Rocker Arms & Parts Engines Components For Sale
  2. sku: 14788299525943722
  3. MAXPEEDINGRODS RN1U9I

MAXPEEDINGRODS RN1U9I Rocker Arms Trunion Ls Lsx Kit 13702-KIT 4.8 5.3L 5.7L 6.0L 6.2L

fits make: Chevy.

Rn1u9i Maxpeedingrods 13702-kit Rocker Arms Trunion Kit For Chevy Ls Lsx 4.8 5.3l 5.7l 6.0l 6.2l

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: RN1U9I ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Country Of Origin: China ), ( Finish: Natural ), ( Ipn: Ls1/ls2/ls3/ls6/ls7 4.8 5.3 5.7 6.0 6.2 7.0 ), ( Items Included: Bolt, Washer, Bearing, Trunion ), ( Manufacturer Warranty: 2 Year ), ( Material: Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Oe/oem Part Number: For Ls Trunnion Upgrade Kit ), ( Qauntity: 98 ), ( Type: Rocker Arm Set )

Review MAXPEEDINGRODS 13702-kit Rocker Arms Trunion Kit Chevy Ls Lsx 4.8 5.3l 5.7l 6.0l 6.2l

Introducing the Maximum Motorsports RN1U9I 13702-Kit Rocker Arm Trunion Kit, a high-performance upgrade for your Chevy LS, LSX 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L engines. This kit is meticulously engineered to provide improved durability, reliability, and performance compared to the factory trunion assemblies.

The heart of this kit is the high-strength, forged steel trunion bodies. Forged from a single piece of material, these trunions offer unparalleled strength and rigidity. They have been precision-machined to ensure a perfect fit and function in your engine. The trunions are also coated with a hard anodized finish, which not only looks great but also provides an additional layer of protection against corrosion and wear.

The kit also includes new, high-quality, precision-machined, and heat-treated rocker arms. These arms are designed to work perfectly with the new trunions, ensuring optimal valvetrain function and performance. The arms are also finished with a durable, hard-anodized coating for added durability.

Another notable feature of this kit is the inclusion of upgraded, high-performance, roller tip rocker arm pads. These pads provide improved contact area with the valve stems, reducing friction and providing smoother valvetrain operation. They also offer improved sealing, preventing oil leakage and keeping your engine clean.

The Maximum Motorsports RN1U9I 13702-Kit Rocker Arm Trunion Kit is designed to be a direct replacement for the factory trunion assemblies, making installation straightforward and hassle-free. This kit is an excellent choice for enthusiasts looking to upgrade their engine's performance, durability, and reliability.

In summary, the Maximum Motorsports RN1U9I 13702-Kit Rocker Arm Trunion Kit is a high-quality, high-performance upgrade for your Chevy LS, LSX 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L engines. It includes forged steel trunions, high-quality rocker arms, and roller tip rocker arm pads, all designed to provide improved strength, durability, and performance compared to the factory parts. This kit is a direct replacement and is an excellent choice for enthusiasts looking to upgrade their engine.

The Maximum Motorsports RN1U9i 13702-Kit rocker arms trunion kit is designed for various Chevy LS and LSX engines, including 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L. This kit is known for enhancing performance and durability, but like any aftermarket part, it comes with its advantages and disadvantages.

Pros:

1. Enhanced Performance: The Maximum Motorsports rocker arm trunion kit is designed to provide better valve control and improve engine performance. This can result in increased horsepower and torque.

2. Durability: The kit is made of high-quality materials, such as billet aluminum trunion assemblies and hardened steel roller tips. These components are designed to last longer than the factory parts.

3. Adjustability: The kit includes adjustable rocker arms, allowing for fine-tuning of the valvetrain to optimize performance and improve idle quality.

4. Easy Installation: The installation process is relatively straightforward and can be completed in a few hours with basic hand tools.

Cons:

1. Cost: The Maximum Motorsports rocker arm trunion kit is more expensive than the factory parts. However, the performance and durability benefits may outweigh the additional cost for some enthusiasts.

2. Requires Additional Components: Installing this kit may require additional components, such as pushrods, lifters, and valve springs, which are not included in the kit.

3. May Require Professional Installation: While the installation process is relatively straightforward, some enthusiasts may prefer to have a professional install the kit to ensure proper alignment and adjustment.

Conclusion:

The Maximum Motorsports RN1U9i 13702-Kit rocker arms trunion kit is an excellent option for Chevy LS and LSX engine owners looking to enhance performance and durability. While it comes with a higher price tag than the factory parts, the benefits may outweigh the cost for those who demand the best from their engines. However, it's essential to note that this kit requires additional components and may require professional installation, which can add to the overall cost and complexity of the project.

Recommendation:

If you're considering purchasing the Maximum Motorsports rocker arm trunion kit for your Chevy LS or LSX engine, it's recommended that you first ensure that all necessary components are included in the kit or that you have access to them. Additionally, consider having the kit installed by a professional to ensure proper alignment and adjustment. Overall, this kit is a worthwhile investment for those seeking improved performance and durability from their engine.

Details:

Used on all LS rocker arms including the following They include arm trunion, bearings, and retaining rings for a complete installation. L33 L98 L77 LY6 LFA LZ1 LY2 L20 LMF LH6 LY5 LMG LC9 LH8 LS4. These LS Series retrofit trunion kits are designed to convert stock rocker arms into captured roller trunion for high-rpm race applications. For Cadillac 5.3L 5.7L 6.0L 6.2L 2002 -2014.

For the rest of other engines supplied bolts will work. offers a minimum one year, unlimited mileage warranty on most of parts sold, some are otherwise noted longer manufacturer >>you might also like. Best Costumer Service.

Fast Shipping. It begins from the date purchased. These are more economical than new race rocker arms, and can handle much higher RPM the factory ones. Packing Include.

Engine Rocker Arm Trunion Kit. Factory Warranty. LS1 LS2 LS3 LS4 LS6 LS7 L99. LS9 LSA LQ4 LQ9 L76 L92 LR4 LM7 L59 LM4.

part #: rn1u9i prices

  • $89.96-$221.80

specifications rockeareng:

  • for makes: Chevy
  • brand: Maxpeedingrods
  • mpn: Rn1u9i
  • california prop 65 warning: California Prop 65 Warning
  • country of origin: China
  • finish: Natural
  • ipn: Ls1/ls2/ls3/ls6/ls7 4.8 5.3 5.7 6.0 6.2 7.0
  • items included: Bolt, Washer, Bearing, Trunion
  • manufacturer warranty: 2 Year
  • material: Steel
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • oe/oem part number: For Ls Trunnion Upgrade Kit
  • qauntity: 98
  • type: Rocker Arm Set

general rockeareng:

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

seller rockeareng:

  • rating: 99.8%
  • # reviews: 2005
  • city: Rowland height, California

offer rockeareng:

  • best offers: True
  • options: Ship-to-home
  • sold: 0
  • started: May 19, 2026
  • availability: In Stock

shipping rockeareng:

  • cost: $0.00
  • carrier: FedEx
  • transit: 3-5 Days
  • service: FedEx Ground / FedEx Home Delivery
  • type: Fixed
  • class: Standard

returns rockeareng:

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

payments rockeareng:

  • credit card: Visa
  • other
  • wallet: Apple-pay
for makes: chevy, california prop 65 warning: california prop 65 warning, country of origin: china, finish: natural, items included: bolt, washer, bearing, trunion, manufacturer warranty: 2 year, note: no instruction included, notice: this is aftermarket replcement part, oe/oem part number: for ls trunnion upgrade kit, qauntity: 98, type: rocker arm set,
category: auto parts > engines engine parts > valvetrain components > rocker arms parts, material: steel, sku: 14788299525943722,
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