3.42 RING & PINION GEARS GM 8.5
73-87 PASSENGER CARS, 79 NEWER 1/2 TON FRONT AND REAR
(CORPORATE 10 BOLT)
30 SPLINE PINION, (10) COVER BOLTS, (10) 7/16-20UNF L.H. RING GEAR BOLTS , 8.5" AND 8.625" RING GEAR DIAMETER, CARRIER BREAK 2.56 / 2.73.
28 AND 30 SPLINE AXLES