PONTIAC FIREBIRD Differential & Rear-End Components

Dura Grip Positraction Carrier, Traction-Loc, GM 8.2 in. BOP, 28 Spline, 3.31 Up Ratio, Each

Part Number: YGA-26024

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 12-Bolt, 4 Series, Each

Part Number: ETN-19555-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Axle Assemblies, Ford 9 in., Satin Black, 54.75 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy, Pontiac, Kit

Part Number: ART-11169683

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Ring and Pinion Gears, EXCel, 4.10:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: RMG-GM85410

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.2 in., 10-Bolt, Set

Part Number: RMG-GM82C373

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-456A

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Differential, Eaton Detroit Truetrac, 26-Spline, GM, 7.5 in., 3.23 and Higher, Each

Part Number: ETN-911A319

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping
• $75 Summit Bucks

Dura Grip Positraction Carrier, Traction-Loc, GM 7.5/7.6 in., 28 Spline, 3.23 Up Ratio, Each

Part Number: YGA-26018

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Differential, Lock-Right, Locker, 30-Spline, GM, 12-Bolt, Car/Truck, Each

Part Number: PWT-1910-LR

4.13 out of 5 stars ( 16 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Ring and Pinion Installation Kit, Rear, GM 8.5 in., 10-Bolt, GM, Kit

Part Number: ETN-K-GM8-5SR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-4900941

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 4.11:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24160

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Ring and Pinion Installation Kit, GM 7.5/7.625 in., Rear, Kit

Part Number: MGR-R75GRMK

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Differential Carrier, Positraction, Nodular Iron, GM 8.5 in., 28 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730966

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Ring and Pinion Gear Installation Kit, Master Overhaul, 30 Spline, GM 8.875 in., Passenger Car, Kit

Part Number: YGA-14067

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Ring and Pinion Installation Kit, Bearings and Shims, 8.2 in. GM, 10-Bolt, Kit

Part Number: RMG-8310221

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900151

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, GM 7.5/7.6 in., 26 Spline, 3.23 Up Ratio, Each

Part Number: SUM-730958

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, GM 8.875 in., 30 Spline, 3.08 to 3.90 Ratio, Each

Part Number: SUM-730946

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 4.11:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0099-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 26-Spline, 11 in. Organic/Ceramic Disc, GM, Kit

Part Number: SUM-700930

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 26-Spline, 12 in. Organic/Ceramic Disc, GM, Kit

Part Number: SUM-700936

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885410

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, Chevy, 8.5 in.,Pair

Part Number: MSR-A102803

4.77 out of 5 stars ( 22 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping

Differential, Eaton Detroit Truetrac, 26-Spline, GM, 7.5 in., 3:08 and Down, Each

Part Number: ETN-911A415

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

• Free Shipping
• $75 Summit Bucks