Proform Head-On Valve Spring Compressor Bolt-On Aluminum Purple Anodize - GM LS-Series Cometic Swiv-Align floating spring seat DOM750-BK

Proform Head On Valve Spring Compressor Bolt On Aluminum Purple Anodize GM LS Series Cometic Swiv Align floating spring seat DOM750 BK Swiv Align floating spring seat 5 amp single spark through high rpmEasy to adjust mechanical advance with supplied springs and stop bushingsVacuum advance canister for improved economy (can be locked out)CNC machined billet aluminum housing and billet aluminum base for long life and great looksMaintenance free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm rangePolished steel shaft is QPQ coated and guided by a sealed ball bearing providing smooth operationAdvance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reductionMechanical advance assembly can be locked out for crank trigger systemsAdvance weight pins are staked and tig welded to the plate for superior strength Product Description: value and style