Ring Gear Diameter: Pinion Shaft Diameter: Ring Gear Bolts: Right Hand Threads: Pinion Splines: Cover Bolts:
8 7/8" 1.625" 12 3/8" x 24 30 12
– Gear set fits 3.90 or higher case.
+ Gear sets are designed "extra thick" to be used with 3.07 to 3.73 case.
• Pro Gear statement click here
• GM 7 1/4" • GM 7 1/2" (GM 7 5/8") • GM 7 3/4" Borg-Warner • GM 8.2" Chevy • GM 8 1/4" IFS • GM 8 1/2" • GM 8 7/8" Car • GM 8 7/8" Truck • GM 9 1/4" • GM 9 1/2" • GM 10 1/2" • GM 11 1/2"