COMP Cams Valve Spring Cups - Outside,Steel,.060" Thick,1.58 "O.D.,.640 "I.D.,1.475 "Spring O.D.,Set of 16 4704021-20-M 2018 Jeep Wrangler JK Unlimited

2018 Jeep Wrangler JK Unlimited SportVehicle Applications: 2007-2008 Jeep Wrangler

1971-1971 Dodge B100 Van

Check the dimension requirements before ordering

1964-1973 Oldsmobile Cutlass

COMP Cams Valve Spring Cups - Outside,Steel,.060" Thick,1.58 "O.D.,.640 "I.D.,1.475 "Spring O.D.,Set of 16 4704021-20-M 2018 Jeep Wrangler JK UnlimitedThe 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