Availability
PONTIAC CATALINA Differential & Rear-End Components
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
Ring and Pinion Installation Kit, GM, 8.2 in., Buick or Pontiac Axle, 10-Bolt, 27-Spline Pinion, Kit
Part Number: RMG-8310401
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
Spool, Mini, Steel, 26-Spline, 10-Bolt, GM 7.5 in., Each
Part Number: RMG-78-7526-1
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, 2.73:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-GM10-273
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Differential Carrier, Positraction, Nodular Iron, GM 7.5/7.6 in., 26 Spline, 3.23 Up Ratio, Each
Part Number: SUM-730958
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
Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit
Part Number: MGR-R12CRSKT
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Axle Shaft, Direct Fit, 1541H Alloy Steel, GM 8.5, 28-Spline, 30.437 in. Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: MGR-MG27123
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, 10-bolt, Steel, Chrome, GM 8.2 in., BOP Axle, Each
Part Number: YGA-32015
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, Master, GM 7.5 in., Rear, Kit
Part Number: MGR-R7-5GRBMK
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, 4.33:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-79-0074-1
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 Pinion Bearing, 1.375 in. Inside Diameter, Each
Part Number: TMK-HM88649
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
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, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set
Part Number: RMG-49-0009-1
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Allstar Performance Ring and Pinion Gear Sets ALL70117 GM 7.5 in. 4.10 Gears
Estimated Ship Date: Monday 2/23/2026
Carrier Shims, Super, Steel, Kit
Part Number: YGA-55001
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Bearing Race, Differential Pinion, 2.531 in. Outside Diameter, Each
Part Number: TMK-M86610
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, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set
Part Number: RMG-4900461
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
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