COMP Cams ID Spring Seats Eb 1.5 X 570 4772-100 MERCHBF In 1987 GM equipped the

In 1987 GM equipped the Chevy Small Block V8 with roller lifters / provisions for roller lifters

Mounted with screws for durability: The extension solidly threads in to your spoiler at 4 points

-With stock suction system

LTZ 2015 GMC Sierra 2500 HD Base 2011 - 2015 GMC Sierra 2500 HD SLE

96 In Sensor/Power Replacement Cable For Digital Boost/Pressure Gauges(Pn: 30-4401

COMP Cams ID Spring Seats Eb 1.5 X 570 4772-100 MERCHBF In 1987 GM equipped theCOMP Cams Valve Springs, Retainers 4772 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