COMP Cams Valve Spring Cups - Outside,Steel,.060" Thick,1.670 "O.D.,.640 "I.D.,1.565 "Spring O.D.,Set of 16 R010015YXL MLS Cylinder Head Gasket

MLS Cylinder Head Gasket

500" Rectangle Port

1979-1986 GMC K3500

1962-1977 Mercury Comet

COMP Cams Valve Spring Cups - Outside,Steel,.060" Thick,1.670 "O.D.,.640 "I.D.,1.565 "Spring O.D.,Set of 16 R010015YXL MLS Cylinder Head GasketThe old standard shims will not hold up to the extreme spring pressures and high RPM in today's race engines. COMP Cams offers a simple but effective solution to this problem. These Valve Spring Locators provide a thin, hardened steel alloy seat that 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 portion being on the outside of the