GM Performance Rocker Arms | LS7 1.8 Ratio LS 347ci LS1 Forged Engine Upgrade - Valve Springs Kit Of

- Valve Springs Kit Of Your Choice

This proves to be a huge benefit over-all with increased horsepower gains

- Dart LS Next SHP 9

- x8 Intake Manifold O Ring Gaskets

- Viton Valve Seals

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