Availability
1977 PONTIAC FIREBIRD Differential & Rear-End Components
Ring and Pinion Installation Kit, 30 Spline, GM 8.5 in., Kit
Part Number: YGA-13069
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Pinion Shaft, CROSS PIN-GM 10 BOLT 8.5" - 93
Part Number: RMG-XL-5640
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Crosspin Shaft, Steel, Each
Part Number: YGA-33404
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Ring and Pinion, Installation Kit, GM, 8.5 in., Kit
Part Number: SPZ-58011
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
MASTER SHIM KIT GM 8.2 EARLY CAR
Part Number: MGR-GM10MCSK
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Axle Shaft Retainer
Part Number: MGR-3833322
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Ring and Pinion Kit
Part Number: RMG-XL-1016-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RE
Not Yet Reviewed
Estimated Ship Date: Mar 17, 2026 if ordered today
Estimated Ship Date: Mar 17, 2026 if ordered today
Cross Pin Shaft, Notched, Steel, Rear, GM 7.5 in., GM 7.6 in., Each
Part Number: YGA-33435
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Thrust Washer, Open Differential, GM 8.5 in., Each
Part Number: YGA-33304
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
INTERNAL DRIVE
Part Number: PWT-1930404DGX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
COUPLER
Part Number: PWT-1932504CCN
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885513
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Ring And Pinion Set
Part Number: RNB-697-300
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Thrust Washer, Open Differential, GM 7.5 in./7.6 in., Each
Part Number: YGA-33390
Estimated Ship Date: Today
Estimated Ship Date: Today
Ford 9 in. Axle Shafts, 1970-81 Camaro/Firebird,Torino Flange, 1/2 in. -20 Studs, Pair
Part Number: DSR-070905DS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Grip LS Traction System, 28-Spline, GM, 8.5 in., Each
Part Number: PWT-LS201028
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Yukon steel spool for GM 8.5" & 8.6" with 30 spline axles
Part Number: YGA-32193
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Performance Mini Spool (GM 7.5 - 26 Spine)
Part Number: SDH-10015364
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
Performance Mini Spool (GM 8.5 - 28 Spline)
Part Number: SDH-10015373
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
Differential Inner Gear Kit; GM 7.5/7.6 - 26 Spline, Dura Grip Positraction
Part Number: SVL-10003707
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Spider Gears, Side Gears, Cross Shaft Pin, 28 Spline, Open, Rear, GM 7.5 in., GM 7.625 in., Kit
Part Number: SVL-2023876
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Posi spring kit for GM 7.5", with preload plates
Part Number: YGA-33206
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Ring and Pinion Gears, 5.13:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set
Part Number: YGA-24163
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 8.5" GM 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12624
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
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