GM 8.875" 12-Bolt Car Motive Gear High Performance Ring and Pinion Engineered to out perform the competition! These Ring and Pinions are the finest made for the GM 12-Bolt Car Rear End. The following treatments in production make the difference between this brand and all the others in the market: • CNC Throughout • Computer Controlled Heat Treatment • Index Tooth Spacing • Central Contact Pattern • Cutting Edge Lapping • Easy Set Up

SPECIFICATIONS: • RG DIAMETER 8.875"" • 12 3/8" X 24 RH THREADED RING GEAR BOLTS • PINION DIAMETER 1.625" 30 SPLINES • CASE BREAKS 2.76/3.08 to 3.90/4.10 • AXLE SPLINE COUNT 30 • 12-BOLT COVER