Cylinder Head Intake and Exhaust Valve Spring Compatible With : 1965 - 1969 Chevrolet Bel Air V8 6.5L / 396c.i., 1970-1972 V8 7.4L/ 454c.i., OHV 16 Valve Special HP, 1965-1968 Biscayne V8 6.5L / 396c.i., 1969-1972 V8 7.4L 454c.i., OHV 16 Valve., Special HP, 1966-1969 Caprice V8 6.5L / 396 c.i., 1970-1972 V8, 7.4L / 454c.i., OHV 16 Valve Special HP, 1965 Corvette V8 6.5L / 396 c.i., 1969 7.0L / 427c.i., 1970-1972 7.4L / 454c.i., OHV 16 Valve