Michigan Motorsports LS1 Rocker Arms with Upgraded Trunnions Installed and GM Support Stands - Fits 4.8L 5.3L 5.7L 6.0L LS Engines - Enhanced Valvetrain Performance and Durability - Set of 16

★★★★★ 4.8 70 reviews

$319.99
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$319.99
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Free shipping Free 30-day returns

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Product details

Management number 215571919 Release Date 2026/04/12 List Price $128.00 Model Number 215571919
Category
  • Enhanced Durability with Upgraded Trunnions – Each rocker arm is equipped with high-performance trunnions, providing increased strength and smoother operation in high-RPM and high-load conditions.​
  • Includes GM #12552203 Support Stands for Improved Stability – Comes with genuine GM support stands, ensuring proper alignment and additional support for the rocker arms, enhancing overall valvetrain stability.​
  • Comprehensive Set for Complete Replacement – This package includes a full set of 16 rocker arms with trunnions pre-installed and corresponding GM support stands, facilitating a straightforward replacement process.​
  • Wide Compatibility Across LS Engines – Designed to fit a range of LS engines, including 4.8L, 5.3L, 5.7L, and 6.0L variants, ensuring broad application for various performance builds.​
  • Ideal for Performance Upgrades and Maintenance – Perfect for enthusiasts aiming to enhance engine performance or replace worn rocker arms and support stands to restore optimal valvetrain function.​

Brand Michigan Motorsports
Model LS1 Rocker Arm Kit with GM Stands
Exterior Machined
Manufacturer Michigan Motorsports
Item model number 25100+F7200-02
Manufacturer Part Number 25100+F7200-02
Is Discontinued By Manufacturer No

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4.8 out of 5
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70 ratings | 29 reviews
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