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thread sealer or silicone should be applied to the bolt threads at these locations
5L Chevrolet
Incudes car-side harness
#7159 or stock large port 409 c
Isky Cams RAD-9000 Precision Tool Room Dual Valve Springs w/ Damper - 550 lb/in - Set of 16 729005 thread sealer or silicone shouldIsky 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. 625" O. D. 1. 175 I. D. Inner: 1. 065" O. D. . 770" I. D. Seat Pressure 250 @ 2. 020" Open Pressure: 675 @ 1. 270" Rate
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