Chevrolet R30 Differential Pinion Seal Replacement

10.5 in. 14 Bolt GM 10.5 in.; 14 Bolt Cover; Rear

1.875 Shaft Diameter 3.160 Bore Diameter 3.165 Outside Diameter Seal 0.770 Width ; w/10.50" Dana Axle

2.201 Shaft Diameter 3.519 Bore Diameter 3.523 Outside Diameter Seal 0.591 Width ; w/10.50" Ring Gear 1st Design w/o Dana Axle

9.5" Ring Gear

with 10.54 (in) Ring Gear with Spicer 70HD Axle

10.50" Ring Gear Dana Axle FAG Global Number 413 2948 100 .770" Width

with 10.5 (in) Ring Gear with GMC Axle

10.50" Ring Gear 1st Design w/o Dana Axle and P Series w/4 Whl. Disc Brks. FAG Global Number 413 3147 100

Dana/Spicer 70B, 70 Heavy Duty, 70-3 Heavy Duty Axle

(10.5" R.G.)