COMP Cams Dual Valve Spring & Retainer Kit - 1.320 in OD - GM LS-Series (Set of 16) Steam Vent Kit The stock rubber bushings are

The stock rubber bushings are great for absorbing NVH

These exclusive features are what make the Ferrea Competition Plus Valves unequaled in performance and reliability

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Wedge float provides fuel control while cornering

COMP Cams Dual Valve Spring & Retainer Kit - 1.320 in OD - GM LS-Series (Set of 16) Steam Vent Kit The stock rubber bushings areCOMP Cams Dual Valve Springs for street strip applications are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams Dual Valve Springs exceed the