The street pro-billet distributors are the perfect choice for powerful engines that see plenty of street time. The street models share the same features as the small diameter models shown above, plus feature a vacuum advance. This canister provides improved economy and an accurate mechanical advance lets you dial-in an advance curve to match your driving needs. A magnetic pick-up produces accurate trigger signals that remain stable throughout the entire rpm range of your engine and is completely maintenance-free. Product Features:Billet housing 5/8 in. smaller dia. than stock Ford distributorsCARB E.O. ApprovedEasy-to-adjust mech. advance w/supplied springs and stop bushingsVacuum advance canister for improved economy (can be locked out)CNC machined billet aluminum housing and billet aluminum baseMaintenance-free magnetic pickup and precision reluctorCreates stable trigger signals throughout the rpm rangeQPQ coated polished steel shaft; guided by sealed ball bearingsAdvance plate and weights are fine blanked from chrome moly steelQPQ coated for friction reductionMech. advance assem. can be locked out for crank trigger systemsAdvance weight pins are staked and tig welded to the plate
