Isky Racing Cams 9985 Tool Room Racing Valve Springs, Dual w/ Damper

Tool Room Racing Valve Spring; Dual w/Damper; Outer OD/ID 1.560/1.145in.; Inner OD/ID 1.040/0.740in.; Seat Pres. 245lbs at 2.000 in.; Open Pres. 600lbs at 1.300in.;