Racing VW Hi Rev Dual Valve Springs Set

Insure against valve spring fatigue and breakage and stop that valve float with the best valve springs on the market. Hand checked and magnafluxed for top quality. These Dual Valve spring sets feature 2 high rev springs per valve. The outer spring is 1.246" diameter using .153" wire diameter. The inner spring 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 dual spring kits.  Set of 8 dual springs.