Isky Valve Springs 9935; Tool Room Racing Dual 1.560 in. OD, 245 lbs @ 1.950 in.

Isky Valve Spring Set 9965; Tool Room Racing Dual 245 lbs at 1.950 in. 1.560 OD

Isky Valve Spring Set 9985; Tool Room Racing Dual 1.560 in. OD, 245 lbs @ 2 in.

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

Isky Valve Spring Set 9365; Dual Spring 1.550 in. OD, 215 lbs @ 1.950 in.

Isky 9995-RAD Dual Valve Springs w/ Damper, 1.560 O.D.

16 ISKY Racing Cams Tool Room Hold Stripe Valve Springs 1.560" OD 480lbs/in

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