Isky Cams RAD-9000 Precision Tool Room Dual Valve Springs w/ Damper - (Set of 16) - Outer: 1.650" O.D., 1.145 I.D. - Inner: 1.040" O.D., .740" I.D. FHR Padding Bilstein's industry leading digressive valving

Bilstein's industry leading digressive valving technology with their patented piston head design delivers a new level of control by damping slow suspension movements more effectively

Includes SF103 Safety Foam Baffling

plexiglass chamber sealing plate and complete instructions

798 in OD Steps

6 AN Hose Barb to 6 AN Female

Isky Cams RAD-9000 Precision Tool Room Dual Valve Springs w/ Damper - (Set of 16) - Outer: 1.650" O.D., 1.145 I.D. - Inner: 1.040" O.D., .740" I.D. FHR Padding Bilstein's industry leading digressive valvingIsky RAD 9000 Precision Tool Room Valve Spring taken one step further. Springs have undergone Radial Densification (RAD), which further modifies the springs' physical properties. Designed for endurance oval track racing, RAD 9000 springs are sold in sets of 16. Isky RAD 9000 Precision Tool Room Dual Valve Springs w Damper Outer: 1. 650" O. D. 1. 145 I. D. Inner: 1. 040" O. D. . 740" I. D. Seat Pressure 245 @ 2. 000" Open Pressure: 600 @ 1. 300" Rate