1979 PONTIAC FIREBIRD Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

Motive Gear Ring and Pinion Sets GM7.5-410 GM 7.5/7.625 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-410

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

USA Standard Gear Spartan Lockers GM 8.5 Inch SL GM8.5-30

Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each

Part Number: SPZ-17041

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 13, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM7.5-273 GM 7.5/7.6 in. 2.73 Gears

USA Standard Ring & Pinion gear set for GM 7.5" in a 2.73 ratio

Part Number: SPZ-36192

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 16, 2026 if ordered today

Yukon Gear & Axle Super Carrier Shims YPKGM12-PC-SHIM

Carrier Shims, Super, Steel, Set of 18

Part Number: YGA-16042

3.11 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Axle Shafts for 1976-1981 CAMARO, 1975-1981 FIREBIRD - 630-141

Axle Shaft, Rear, C-clip Type, 28-spline Inner, Steel, 30.000 in. Length, GM 8.5 in., Chevy, Pontiac, Each

Part Number: RNB-630-141

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Yukon Gear & Axle Crosspins and Shafts YSPXP-033

Differential Cross Shaft, Steel, 0.795 in. Diameter, Each

Part Number: YGA-33401

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Richmond Gear Mini-Spools 78-1028-1

Spool, Mini, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: RMG-78-1028-1

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Richmond Gear Differential Carrier Bearing Shim Kits 38-0007-1

Carrier Shims, Ford 8.8 in., GM 12-Bolt Truck, GM 9.3 in. C-Axle, Kit

Part Number: RMG-3800071

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Pinion Crush Sleeves 81057

Pinion Crush Sleeves, Steel, GM, 8.5 in., 8.6 in., 8.75 in., Pair

Part Number: RNB-81057

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Richmond Gear Ring and Pinion Sets 69-0175-1 GM 8.5/8.6 in. 5.57 Gears

Gear, Ring and Pinion, 5.57:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901751

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-430 GM 8.5/8.6 in. 4.30 Gears

Ring and Pinion Gear, 4.30:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36217

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 16, 2026 if ordered today

Motive Gear Crush Sleeves 9785792

Differential Crush Sleeves, Steel, Fits with Aftermarket Ring and Pinion Set Only, Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Each

Part Number: MGR-9785792

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Motive Gear Performance Ring and Pinion Sets G885308 GM 8.5/8.6 in. 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 19, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 19, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Allstar Performance Ring and Pinion Gear Sets ALL70120 GM 8.5/8.6 in. 3.08 Gears

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

RideTech Stock Width 4-Link Axle Assemblies for 1970-1981 CAMARO, FIREBIRD - 11179680

Axle Assemblies, Ford 9 in., Natural, 61.25 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy, Pontiac, Kit

Part Number: ART-11179680

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 16, 2026 if ordered today

National Bearing Differential Bearings LM501349

Differential Carrier Bearing, Steel, Each

Part Number: NTL-LM501349

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Yukon Gear & Axle Bearing Kits BK GM8.5

Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-11067

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 2, 2026 if ordered today

Richmond Gear Differential Pinion Shims 16-0090-1

Mini Spool; Differential Pinion Shim; Fits Ford 7.5 in./Ford 8.8 in./GM 8.5 in.

Part Number: RMG-16-0090-1

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Yukon Gear & Axle Differential Cover Bolts YSPBLT-075

Differential Cover Bolt, Steel, Black, Hex Head, 0.500 in. Wrench Size, Dana 25, 27, 30, 44, Model 35, GM 7.5 in., GM 8.2 in., Each

Part Number: YGA-33286

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Yukon Gear & Axle Differential Clutch Sets YPKGM12-PC-DG1

Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16064

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 2, 2026 if ordered today

Motive Gear Ring and Pinion Sets GM7.5-308 GM 7.5 in. 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-308

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 19, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 19, 2026 if ordered today

SVL Drivetrain Ring and Pinion Gear Sets 2020639 GM 7.5/7.6 in. 3.23 Gears

Ring & Pinion Gear Set GM 7.5" / 3.23 Ratio

Part Number: SVL-2020639

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 16, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM7.5-342T GM 7.5/7.625 in. 3.42 Gears

Ring and Pinion Gears, 3.42:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36196

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 16, 2026 if ordered today

Yukon Gear & Axle Mini Spools YP MINSGM8.5-28

Mini Spool, Steel, 28-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32232

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 2, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G875410 GM 7.5/7.625 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875410

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Motive Gear Ring Gear Spacers 075050

Ring Gear Spacer, GM 7.5 in. Ring Gear, Hardware Included, Each

Part Number: MGR-075050

4.06 out of 5 stars ( 17 )

Estimated Ship Date: Feb 18, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Allstar Performance Ring Gear Spacers ALL70100

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading