Availability
1971 CHEVROLET NOVA Differential & Rear-End Components
Differential, Grip Pro Traction System, 30-Spline, GM 8.875 in., 12-Bolt Car, Each
Part Number: PWT-GT231230
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Auburn Gear Grip-N-Loc 30 Spline Differential GM 8.875 Inch (12-bolt) 546033
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026
Pinion Nut, Steel, GM, 8.875 in., Corvette, Each
Part Number: MGR-3752901
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Performance Mini Spool (GM 8.5 - 30 Spline)
Part Number: SDH-10015388
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit
Part Number: MGR-R12CRSK
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Ring Gear Bolt, Hex Head, 7/16-20 in. Thread Size, Steel, Black, Each
Part Number: YGA-33049
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Ring and Pinion Installation Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit
Part Number: MGR-R12CRMK
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Spider Gear Kit, Open Differential, GM 8.875 in., 30 Spline, Kit
Part Number: YGA-16043
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., Set
Part Number: MGR-G882355
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Pinion Shims, Steel, Kit
Part Number: YGA-55009
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Mini Spool, Steel, 28-Spline, GM 8.5 in., Each
Part Number: MGR-MS10-28
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Crosspin Bolt, 5/16 in. Hex Head, Each
Part Number: YGA-33067
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
USA Standard Master Overhaul kit for the GM 12P differential
Part Number: SPZ-37042
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Ring and Pinion Gears and Differential Combo, GM 8.5 in., 3.73:1, 30-spline Pinion, 28-spline Axle, Rear, Buick, Chevy, Oldsmobile, Pontiac, Kit
Part Number: YGA-12628
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Axle Shaft, Rear, C-clip, 33-spline Inner, 29.750 in. Length, GM 8.875 in. Passenger Car, Chevy, Each
Part Number: YGA-21239
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Differential Carrier, Positraction, Nodular Iron, GM 8.875 in., 30 Spline, 3.08 to 3.90 Ratio, Each
Part Number: SUM-730946
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Differential Cover Bolts, Steel, Black, Hex, Each
Part Number: SDH-34279
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Differential Cover, 12-bolt, Steel, Chrome, GM 8.875 in. Passenger Car, Each
Part Number: YGA-32011
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Differential Side Bearing Spacer; Differential Carrier Shims; For Ford 7.5 in./GM 7.5 in./GM 8.5 in./GM 8.2 in
Part Number: RMG-3800061
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Motive Gear Performance Ring and Pinion Sets G888342 GM 8.875 in. (12-bolt) passenger car 3.42 Gears
Motive Gear Performance Ring and Pinion Sets G888342 GM 8.875 in. (12-bolt) passenger car 3.42 Gears
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 12-Bolt Passenger Car, Set
Part Number: MGR-G888342
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Differential Carrier Cases, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each
Part Number: YGA-20083
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Ring and Pinion-GM 8.5/8.625
Part Number: MGR-GM10-308A
Not Yet Reviewed
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Pinion Nut, Steel, Each
Part Number: YGA-33150
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L
Part Number: MGR-GM12BI
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Ring and Pinion Installation Kit, GM 8.2 in., Kit
Part Number: MGR-R10CR
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Gear, Ring and Pinion, EXCel, 4.11:1 Ratio, GM, 8.2 in., 10-Bolt, Set
Part Number: RMG-GM82411
Not Yet Reviewed
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
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