Gibson Axle-Back Exhaust System - Dual Rear Exit - 2-1/2 in Diameter Radio Jumper Cable or 10 Series IgnitionSpecial oil Size:6-7/8 (55) Stainless steel T bolt ATM7012 12-600-4

Gibson Axle Back Exhaust System Dual Rear Exit 2 1 2 in Diameter Radio Jumper Cable or 10 Series IgnitionSpecial oil Size:6 7 8 (55) Stainless steel T bolt ATM7012 12 600 4 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 bushings (except locked out versions)Adjustable 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 Kits contain Wilwood's hardened slide pins and BP 10 high friction pads