COMP Cams ID Spring Seats Eb 1.5 X 570 4771-100 Carbon Offroad USA The Noir mufflers are designed

The Noir mufflers are designed to be quieter than a typical racing exhaust

SLE 1993 GMC Yukon GT 1995 GMC Yukon SLT 1992 - 1994 GMC Yukon Sport 1991 - 1992 Oldsmobile Custom Cruiser Base 1980 Oldsmobile Cutlass LS

FF XE274H-10 High performance street

providing straightforward instructions for a hassle-free setup

Youth fit with room to move

COMP Cams ID Spring Seats Eb 1.5 X 570 4771-100 Carbon Offroad USA The Noir mufflers are designedCOMP Cams Valve Springs, Retainers 4771 100 The older style standard shims will not hold up to the extreme spring pressures and high RPM found in racing engines being built today. COMP Cams offers a simple but effective solution to this problem a thin, hardened steel alloy seat which will not only protect the head and shim but also locate and hold the spring in place. Previously, this part has been available only in a cup form with the retaining