This is a set of 4.11 gears for the popular GM 12 bolt Chevy for a car rear end. Will not work on a truck rear end. They are used and were made by Motive/Strange and the part number is 888411. The pinion is 30 spline.
Gears, GM 12 Bolt differential, 4.11 ratio, forged steel
GM 12 bolt Full Steel Spool for series 4 car cases only
GM 12-Bolt Chevy CAR / TRUCK Ring Gear Spacer Plate w/ Bolts - 12P 12T - 902A
NEW LIGHTWEIGHT FULL SPOOL,GM 12 BOLT,8.875",STEEL,30 SPLINE
Differential Gasket GM 12 Bolt Car MR. GASKET 84A
Pinion Seal GM 12 Bolt RATECH 6109