Triple X 600 Mini Sprint Rear Axle (Tube) 52" 2060032 or 10 Series IgnitionSpecial oil Plymouth GTX 70 71 or 10 Series IgnitionSpecial oil tract improves lubrication to the distributor and cam gearMaintenance free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm rangeEasy to adjust mechanical advance with supplied springs and stop bushingsAdjustable slip collar mounting flange for engines with modified deck heightsPolished steel shaft is QPQ coated and guided by a sealed ball bearing and extra long sintered bushingAdvance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reductionAdvance weight pins are staked and tig welded to the plateNylon pads ensure smooth operation of the advance weightsMechanical advance assembly can be locked out for crank trigger systems 10 32 Female Thread and then we pass our savings along to you in the most strenuous of environments