Quick Change Rear End L/M Rocket XR1 4.12 1968-pontiac-tempest-esi8985509 170 in Wall - Single

170 in Wall - Single Flat - Steel - GM LS-Series - Each

Bung - 1/8 in NPT Female - Weld-In - Aluminum - Natural - Snow Performance Nozzles - Each

25 in ID - 8 in Length - 600 lb/in Spring Rate - Steel - Red Powder Coat - Each

The internal substrate material and precious metal loading have been carefully engineered for maximum efficiency and to avoid MIL (Malfunction Indicator Lamp) code issues that are common with lower quality converters

Quick Change Rear End L/M Rocket XR1 4.12 1968-pontiac-tempest-esi8985509 170 in Wall - SingleRear Axle Assembly XR1 Wide 5 10 in Ring Gear 4. 12 Ratio 69. 625 in Wide Centered Aluminum Center Rocket Late Model Kit