COMP Cams Spring SeatsEb For Gm LS1 1.4 4712-100 Artec Industries Sport 1977 - 1980 Buick

Sport 1977 - 1980 Buick Regal Base 1978 - 1980 Buick Regal Limited

Lariat 2009 - 2010 Ford F-250 Super Duty Cabela's 2008 - 2010 Ford F-250 Super Duty FX4 2005 - 2010 Ford F-250 Super Duty King Ranch

Base 1973 GMC P25/P2500 Van Base 1980 - 1987 GMC P2500 Value Van

2014-21 Toyota Tundra SR

Inertia Ring Type: 2

COMP Cams Spring SeatsEb For Gm LS1 1.4 4712-100 Artec Industries Sport 1977 - 1980 BuickCOMP Cams Valve Springs, Retainers 4712 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