COMP Cams Valve Spring Cups - Outside,Steel,.060" Thick,1.58 "O.D.,.640 "I.D.,1.475 "Spring O.D.,Set of 16 R07C15YS 1971-1974 Mercury Monterey

1971-1974 Mercury Monterey

1990-1991 Oldsmobile Silhouette

This product features 90 seconds of engine RPM playback memory

Perfect for heads-on applications

Roll Cage Floor Plate

COMP Cams Valve Spring Cups - Outside,Steel,.060" Thick,1.58 "O.D.,.640 "I.D.,1.475 "Spring O.D.,Set of 16 R07C15YS 1971-1974 Mercury MontereyThe 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