Description
PAC Racing 400 Series Titanium Dual Valve Spring Retainers 10 Degree 1.125" 0.800" OD Steps (Set of 16) Headers Manifolds & Components 1979 1996 Ford F 150 WEI7155 1979 1996 Ford F 150 1988 2005 Chevrolet Blazer and our High Tech Engine test lab Micro Hardness