Michigan Motorsports LS1 Rocker Arms with Upgraded Trunnions | Pre-Assembled for GM LS Engines | Fits 4.8 5.3 5.7 6.0 LS2 LS6 LQ4 LQ9 LY5 LM7 L33 | Enhanced Durability and Performance
Product ID: 511980172
Secure Transaction
🔥Upgraded trunnions for high-RPM durability
🔧Direct fit for multiple GM LS engines
⚙️Pre-assembled for instant install
Frequently Bought Together
Description
⚡ Upgrade your LS valvetrain—because every RPM counts!
- BUILT TO LAST - Precision-machined with high-strength materials to endure high-lift cams and aggressive driving without compromise.
- RPM UNLEASHED - Enhanced valvetrain stability supports higher RPMs and aggressive camshafts for street, strip, or track dominance.
- PLUG PLAY POWER - Pre-assembled rocker arms save installation time and hassle—get back on the road faster.
- RACE READY DURABILITY - Upgraded trunnion bearings replace fragile needle bearings, slashing failure risk under extreme conditions.
- ENGINEERED FOR EVERY LS - Fits a wide range of GM LS engines (4.8L to 6.0L), perfect for both OEM replacements and performance builds.
Michigan Motorsports LS1 Rocker Arms come pre-assembled with upgraded trunnion bearings, designed to fit a broad range of GM LS engines. Engineered for enhanced durability and high-RPM performance, these rocker arms replace factory needle bearings with stronger trunnions, ensuring long-lasting valvetrain stability for street and track applications.
Specifications
| Manufacturer | Michigan Motorsports |
| Brand | Michigan Motorsports |
| Model | LS1 Rocker Arm Kit |
| Product Dimensions | 20.32 x 15.24 x 5.08 cm; 3.63 kg |
| Item model number | 25100 |
| Exterior | Machined |
| Manufacturer Part Number | 25100 |
| Item Weight | 3.63 Kilograms |
Have a Question? See What Others Asked
Are these rocker arms compatible with an LS1 cam swap?
What engines are these rocker arms compatible with?
Do these rocker arms come with a trunnion upgrade?
Common Questions
Trustpilot
TrustScore 4.5 | 7,300+ reviews
Received my product in pristine condition. Great service overall.
1 month ago
The MOLLE sheath is of exceptional quality. Very happy with my purchase.
2 weeks ago
Shop Global, Save with Desertcart
Value for Money
Competitive prices on a vast range of products
Shop Globally
Serving millions of shoppers across more than 100 countries
Enhanced Protection
Trusted payment options loved by worldwide shoppers
Customer Assurance
Trusted payment options loved by worldwide shoppers.
Desertcart App
Shop on the go, anytime, anywhere.
