Comp Cams OUTER W/DAMPNER Beat-Sonic USA Designed for drag race applications

Designed for drag race applications using Yates heads

02-07 Lancer Model Lancer Evolution Body Style All Engine 4G63 Intake Type Power Intake Panel Intake Length 215mm (8

Sport 2002 Ford Focus Base

Vandura 1983 - 1984 GMC G2500 Rally Custom 1979 - 1986 GMC G2500 Rally STX

SE Off-Road 1986 - 1989 Nissan D21 E 1986 - 1994 Nissan D21 XE

Comp Cams OUTER W/DAMPNER Beat-Sonic USA Designed for drag race applicationsSingle Outer Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right metal stock and creating the best design is not done by chance. COMP Cams has developed a process that creates the highest quality valve spring available. The result is a product that meets and exceeds the expectations of today's engine