COMP Cams Dual Valve Spring & Retainer Kit - 1.320 in OD - GM LS-Series (Set of 16) HARN03F003 Every crankshaft is 100 percent

Every crankshaft is 100 percent inspected for critical dimensions

This Breakaway Converter is designed specifically for TH350/400 Dual Pattern transmissions

Compression/Tension Load Cell

640" maximum lift

Sprint engine case includes a 4" taller interior height to accommodate the taller injectors and ignition

COMP Cams Dual Valve Spring & Retainer Kit - 1.320 in OD - GM LS-Series (Set of 16) HARN03F003 Every crankshaft is 100 percentCOMP 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