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Rocker Arm Trunnion Upgrade Kit Style
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Quantity
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PRW Fulcrum Upgrade Kits for GM LS Series

2.43 out of 5 stars 7 Customer Reviews

PRW fulcrum upgrade kits for the GM LS Series engine are designed to improve your valvetrain performance by enhancing the rocker arms. They include replacement fulcrums, circlips, and fasteners. From there, you can decide on either drawn cup bearings, or silicone bronze bushings to complete your full set of 16. Transform your stock LS Series rocker arms into powerful performance trunnions with a fulcrum upgrade kit from PRW!

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