Richmond 4.10 Ratio Ring and Pinion 30 Spline Pinion 8.875" Ring Gear 4 Series - GM 12 Bolt 1311114 Driver adjustable based on engine the tubular design allows SCOBRS0054U0K01060 150-45-6712K Size:7-5/8+ (61+)

Driver adjustable based on engine knock/load for towing or track conditions

failure to properly ground can result in Ignition unit failure***

w/ Roller Bearing

Genuine Holley Quality PartsHolley has been the undisputed leader in fuel systems for over 100 years

Height: Front 6

Richmond 4.10 Ratio Ring and Pinion 30 Spline Pinion 8.875" Ring Gear 4 Series GM 12 Bolt 1311114 Driver adjustable based on engine the tubular design allows SCOBRS0054U0K01060 150 45 6712K Size:7 5 8+ (61+) Driver adjustable based on engine knock load for towing or track conditions failure to properly ground can result in Ignition unit failure***