Racing Dual Valve Springs (Set of 8)

Racing Dual Valve Springs, Set of 8. The Outer spring is 1.246" diameter using .153" wire diameter and the Inner features .910" diameter using .113" wire diameter. Together they will lift .630" and more with coil bind at .800". Valve guide boss must be machined for all dual spring kits. Fits 1600cc

Part Number: 00-4037-0