Michigan Motorsports LS1 Rocker Arms with Upgraded Trunnions | Fits 1999-2013 4.8L 5.3L 5.7L Cathedral Port LS & 1999-2006 6.0L LS Engines | Complete Set of 16 Ready-to-Install Rockers
genuine image
Michigan Motorsports LS1 Rocker Arms with Upgraded Trunnions | Fits 1999-2013 4.8L 5.3L 5.7L Cathedral Port LS & 1999-2006 6.0L LS Engines | Complete Set of 16 Ready-to-Install Rockers
Replacing your rockers with a true roller bearing setup is highly recommended whether you have a stock LS motor or a highly modified LS motor.
Michigan Motorsports LS1 Rocker Arms with Upgraded Trunnions | Fits 1999-2013 4.8L 5.3L 5.7L Cathedral Port LS & 1999-2006 6.0L LS Engines | Complete Set of 16 Ready-to-Install Rockers
Item #: 8625926

Michigan Motorsports LS1 Rocker Arms with Upgraded Trunnions | Fits 1999-2013 4.8L 5.3L 5.7L Cathedral Port LS & 1999-2006 6.0L LS Engines | Complete

Item #: 8625926

TTD 1743

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Wednesday, August 19
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Replacing your rockers with a true roller bearing setup is highly recommended whether you have a stock LS motor or a highly modified LS motor.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment

What Stands Out

Upgraded Trunnions
Features enhanced trunnion assemblies that significantly improve durability and prevent premature wear, ensuring reliable performance in high-performance applications for GM LS engines.
Pre-Assembled Convenience
Conveniently pre-assembled rocker arms save installation time and effort, allowing enthusiasts and mechanics to easily upgrade their engine without extensive modifications or additional setups.
Broad Compatibility
Designed to fit a wide range of GM LS engines, including 4.8 to 6.0-liter variants, ensuring versatility and providing a tailored performance boost across the entire LS lineup.

Product Details

Shop for LS1 Rocker Arms and Bolts with Trunion Kit installed for LS2 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0 engines at Ubuy Trinidad and Tobago. Find great deals and fast shipping on Michigan Motorsports products.
  • Recommended for stock or modified LS motors
  • Utilizes true roller bearing setup for added durability
  • Includes premium 8620 steel alloy trunnion and caged roller bearings
  • Comes with LS1 style allen head bolts for installation
  • Kit includes 16 rocker arms, 16 rocker arm trunnions, 32 rocker arm bearings, 32 rocker arm retaining rings, and 16 bolts for LS trunnion kit
  • Fits LS1/LS2/LS6/ LR4 Vortec 5300 LM7 L59 LM4 L33 – 4.8/5.3/5.7/6.0/ Engines

Who Should Buy?

Suitable For
  • Performance Enthusiasts

    Ideal for users looking to enhance engine performance and durability in high-performance applications.

  • Competitive Racers

    Perfect for racers needing reliable, pre-assembled rocker arms for superior performance in motorsports.

  • Engine Builders

    Beneficial for builders wanting to upgrade engine components with high-quality assembly for GM LS engines.

Not Suitable For
  • Stock Users

    Users seeking standard performance may find these upgraded rocker arms unnecessary for regular driving.

Product Description

Michigan Motorsports LS1 Rocker Arms with Upgraded Trunnions | Fits 1999-2013 4.8L 5.3L 5.7L Cathedral Port LS & 1999-2006 6.0L LS Engines | Complete Set of 16 Ready-to-Install Rockers

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are LS1 rocker arms with upgraded trunnions?

    Answer: LS1 rocker arms with upgraded trunnions are high-performance engine components designed for GM LS engines. The upgraded trunnion provides enhanced durability and stability under high RPMs, reducing the risk of failures. These rocker arms are pre-assembled for ease of installation, making them ideal for enthusiasts looking to boost engine performance. For example, if you’re tuning your LS engine for racing, these rocker arms can help maximize your engine's efficiency and power output.
  • Question: Which GM LS engines are compatible with these rocker arms?

    Answer: These rocker arms are compatible with a wide range of GM LS engines, specifically the 4.8, 5.3, 5.7, 6.0, as well as the LS2, LS6, LQ4, LQ9, LY5, LM7, and L33. This compatibility makes them a versatile choice for restoring or upgrading various LS models. Enthusiasts can confidently install them in their projects, knowing they will fit without modification, thus streamlining the performance enhancements for any compatible engine setup.
  • Question: How do upgraded trunnions improve performance?

    Answer: Upgraded trunnions enhance performance by providing superior structural integrity and reducing wear and tear during high-stress conditions. This leads to better valve control and response, particularly at high RPMs. The benefits of these improvements are particularly noticeable in performance applications, where maximum efficiency and reliability are crucial. If you're aiming for track performance or serious horsepower gains, these rocker arms can help achieve your goals without sacrificing reliability.
  • Question: Are these rocker arms pre-assembled or do I need to assemble them?

    Answer: The Michigan Motorsports LS1 Rocker Arms come pre-assembled, allowing for a straightforward installation straight out of the box. This convenience is a significant advantage for both DIY enthusiasts and professionals who want to minimize installation time. If you’re upgrading your engine or performing a rebuild, the pre-assembled feature lets you focus on other important areas of the engine without worrying about assembly complications.
  • Question: Can these rocker arms be used in racing applications?

    Answer: Yes, these rocker arms are well-suited for racing applications due to their robust design and upgraded trunnions. They can withstand the intense conditions of track performance, including high RPMs and aggressive driving. If you’re building a race-ready LS engine, these rocker arms will enhance your engine's response and durability, making them a smart choice for competitive setups.
  • Question: What is the installation process for these rocker arms?

    Answer: The installation process for the pre-assembled rocker arms involves removing the valve covers and old rocker arms, then securing the new rocker arms onto the cylinder heads. It is essential to follow proper torque specifications and ensure clearances to prevent interference with other components. For enthusiasts familiar with valve train components, this process can be accomplished efficiently. However, consulting a professional can ensure optimal results, particularly in performance builds.
  • Question: Do these rocker arms improve fuel efficiency?

    Answer: While the primary purpose of upgraded rocker arms is to enhance power and performance, they can indirectly improve fuel efficiency by providing better valve control, which leads to more efficient combustion. If your engine runs more efficiently under various conditions, such as while accelerating or decelerating, you may notice improvements in overall fuel consumption. This can be particularly beneficial during everyday driving or optimistic cruising situations.
  • Question: What materials are these rocker arms made from?

    Answer: These rocker arms are typically made from high-strength materials, including aluminum or forged steel, providing the necessary durability and resistance to wear during operation. The use of advanced materials ensures that they can withstand the stresses of high-performance environments. This is particularly important in high RPM applications, where material integrity is crucial to prevent catastrophic failure.
  • Question: Can I use these rocker arms in aftermarket builds?

    Answer: Absolutely! These rocker arms are designed to be compatible with various aftermarket builds and modifications commonly applied to GM LS engines. They provide a quality enhancement to the valve train, essential for any performance-focused build. If you’re planning to modify your engine with aftermarket components like performance camshafts or intakes, these rocker arms will complement those upgrades well, helping to produce optimal power and torque.
  • Question: Where can I buy Michigan Motorsports LS1 Rocker Arms with Upgraded Trunnions?

    Answer: You can purchase Michigan Motorsports LS1 Rocker Arms with Upgraded Trunnions from Ubuy in Trinidad and Tobago. They offer a reliable platform for this specific product, ensuring that you can enhance your GM LS engine with high-quality parts. Ubuy provides a seamless shopping experience with the convenience of browsing a range of automotive performance products, including these pre-assembled rocker arms.

Michigan Motorsports Rocker Arms Editorial Review

The Michigan Motorsports Rocker Arms appear to be a good buy for anyone looking to get a quality upgrade and improved performance. Installation is simple enough and the product is well made. However, there have been some issues with fitting them into certain vehicles due to irregularities in valve stem tops. As long as these fit, however, the rockers work well and are worth Considering as an upgrade.

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    0%
  • 4 Star
    100%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • High quality product
  • Simple installation process
  • Good value for the price
  • Provides much needed upgrade
  • Improved performance

Cons

  • May not fit certain vehicles due to valve stem irregularities

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

TTD 1743

Order now and get it around Wednesday, August 19

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • LS rocker arms with premium 8620 steel alloy trunion and caged roller bearings.
  • Greatly reduces the possibility of bearing failure.
  • Must-have for any aggressive heads and cam combo.
  • Same rockers utilized in 1,000 hp Turbo Motor.
  • Kit includes 16 rocker arms, 16 rocker arm trunnions, 32 rocker arm bearings, 32 rocker arm retaining rings, and 16 bolts for LS trunnion kit.
  • Fits LS1/LS2/LS6/ LR4 Vortec 5300 LM7 L59 LM4 L33 – 4.8/5.3/5.7/6.0/ Engines.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.