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- Rocker Arms
Product Description

Michigan Motorsports LS1 Rocker Arm Kit w/ Upgraded Trunnions Installed
Take your LS1 engine's performance to the next level with Michigan Motorsports LS1 Rocker Arms. Designed for enhanced durability, precision, and reliability, these rocker arms are the ultimate solution for cam swaps, engine rebuilds, and high-performance upgrades.
Save your LS Engine!

LS1 Rocker Arm w/ Upgraded Trunnions Installed
Whether you have a stock LS motor or a highly modified LS motor, replacing your rockers with a true roller bearing setup is highly recommended. The caged roller bearings greatly reduce the possibility of the bearing failure experienced with stock LS1 needle bearings.

LS1 Rocker Arm w/ Stock Trunnions
The stock bearings have a tenancy to fail. The caged roller bearings greatly reduce the possibility of the bearing failure experienced with stock LS1 needle bearings, which can send loose needles throughout the engine upon failure.
Technical Specifications
Material | Hardened Steel with Premium Alloy Construction |
Bearing Type | Upgraded Trunnion Bearings with Captured Needle Rollers |
Applications | LS1, LS6, and compatible GM LS Engines |
Performance Features | High-RPM durability, reduced friction, and enhanced valve train stability |
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Are these rocker arms compatible with an LS1 cam swap?
YES! Michigan Motorsports LS1 Rocker Arms are specifically designed to handle aggressive camshaft profiles and high-performance cam swaps.
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What engines are these rocker arms compatible with?
These rocker arms are compatible with LS1, LS6, and other GM LS-based engines. Will not fit Rectangle Port/"LS3" Style Heads
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Do these rocker arms come with a trunnion upgrade?
Absolutely! These rocker arms feature upgraded trunnions with heavy-duty captured needle bearings for improved performance and durability.

Hundreds of 5-Star Reviews!
-Verified Buyer
"Michigan Motorsports LS1 Rocker Arms were the perfect addition to my cam swap project. The upgraded trunnions give me peace of mind at high RPMs. Highly Recommend!"
$27.03 $27.03
$ 13 .99 $13.99
$8.70 $8.70
$ 3 .99 $3.99
$103.89 $103.89
$ 44 .99 $44.99
$384.99 $384.99
$ 99 .00 $99.00