Description
COMP Cams 7 Steel Chevy 283 400 Valve Spring Retainers 283 400, 6 Cyl, Buick V6 For 11 32" Valve Stems 1.250" Valve Spring Diameter BR30012 1969 1970 Chevrolet Brookwood WEI7155 1969 1970 Chevrolet Brookwood FMVSS Certified for on Highway Use 870 in 0 if that theoretical performance doesn't translate into real life results