Isky Valve Spring Set 9998RAD; RAD-9000 Racing Dual 1.600 OD, 250 lbs @ 2.050

Isky Racing Cams 4005 1932-1953 Flathead Fits Ford Fits V8 Dual Valve Springs

Isky 700512 1.340 Dia Valve Springs (12pk)

Isky Valve Spring Set 8005A; Performance Dual 135 lbs at 1.875 in., 1.53 in. OD

Isky 9996-RADML 1.600 Dual RAD Valve Springs

Isky 6105 Dual Valve Spring Set; 1.430 OD

Isky Valve Spring Set 9965RAD; RAD-9000 Racing Dual 1.560 OD, 245 lbs @ 1.950

Isky Valve Spring Set 9315; High Endurance Dual, 1.550 in. OD, 210 lbs @ 1.9 in.