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. 11104PRB A modification to the windage

A modification to the windage tray is required to provide clearance to the pick-up tube

Powder Coated Red

For Suction Applications

On-Board Diagnostic LEDS for: ECU Power - Engine Run - Wideband Status - TPS Calibration - Crank Signal -Cam Signal

Intake runner volume: 290cc

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. 11104PRB A modification to the windageIsky 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