Isky Cams RAD-9000 Precision Tool Room Dual Valve Springs w/ Damper - (Set of 16) - Outer: 1.570" O.D., 1.145 I.D. - Inner: 1.040" O.D., .740" I.D. HASZ6SM Fits different body shapes and

Fits different body shapes and sizes and adjusts to different race seats

SPECS: Base Style: Dropped 1 inch Brand: Holley

Pilot Bearings

5/16" x 16" Flex Tube

Stay protected on the track with the K1 Outlaw Adult Auto Racing Nomex® Suit

Isky Cams RAD-9000 Precision Tool Room Dual Valve Springs w/ Damper - (Set of 16) - Outer: 1.570" O.D., 1.145 I.D. - Inner: 1.040" O.D., .740" I.D. HASZ6SM Fits different body shapes andIsky 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. 570" O. D. 1. 145 I. D. Inner: 1. 040" O. D. . 740" I. D. Seat Pressure 250 @ 2. 030" Open Pressure: 625 @ 1. 300" Rate