(8) Speed Pro VS-780R Double Valve Spring For 1957-1977 Chevrolet SBC 283-400

SPEED PRO VS-780R-8. Condition: New - Other.

Spring Dimensions
Free Lenght O.D. I.D. Wire Dia. Coils
Outer 2.370'' 1.450'' 1.050'' 0.187'' 5.5
Free Lenght O.D. I.D. Wire Dia. Coils
Inner 2.070'' .965'' .700'' 0.130'' 6.2
w/Dampner