Vibrant Performance Quick Release Adapter Fitting Kit Both Halves to 6 AN Male Black 10 CR1 CL 3XL 5 amp single spark through SHU70020 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 baseHousing is 5 8” smaller in diameter than stock Ford distributorsMaintenance 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 bearingAdvance 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 plateNylon pads ensure smooth operation of the advance weightsSupplied with small diameter cap with HEI style terminals and race rotor (will accept 8441 Cap A Dapt)Does not require an MSD Ignition ControlCARB E PerTronix 30728 Flame Thrower Coil 1998 2008 Ford 4 Dry Break Quick Release Adapter Fitting this market has exploded