Wilwood GT 48 Curved Vane Rotor RH Timing Light compatible with hydraulic roller camshaftsMust Size:6X Small (24) compatible with hydraulic roller camshaftsMust be used with an MSD Ignition ControlSupplied with small diameter cap with HEI style terminals and race rotor (will accept 8441 Cap A Dapt)Nylon pads ensure smooth operation of the advance weightsAdvance weight pins are staked and tig welded to the plateMechanical advance assembly can be locked out for crank trigger systemsAdvance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reductionPolished steel shaft is QPQ coated and guided by a sealed ball bearingMaintenance free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm rangeCNC machined billet aluminum housing and billet aluminum baseVacuum advance canister for improved economy (can be locked out)Easy to adjust mechanical advance with supplied springs and stop bushings┬ ¼Î“ÇáBillet housing is 5 8” smaller in diameter than stock Ford distributorsCARB E Tie Rod and Drag Link Stud Kit Wilwood is ISO 9000 compliant and has extensive experience maintaining quality levels of 100ppm or less for original equipment manufacturers With headquarters in Camarillo