1978 PONTIAC FIREBIRD Transmission & Drivetrain

Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crosspin Shaft, Steel, Each

Part Number: YGA-33404

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

• Drop Ship
• Special Order

Ring and Pinion, Installation Kit, GM, 8.5 in., Kit

Part Number: SPZ-58011

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

WASHER PIN 8.5 GM 10 BOLT

Part Number: MGR-3984818

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

Ring and Pinion Installation Kit, Super Kit, GM, 8.5 in., Kit

Part Number: MGR-R10RSK

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

7.5" & 7.625" GM EATON POSI SHIM KIT

Part Number: YGA-16047

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 31, 2025 if ordered today

• Drop Ship
• Special Order

Clutch Kit, Organic, 1 1/8 in. Diameter Shaft, 10-Spline, 10.4 in. Diameter Disc, GM, Circle Track, Kit

Part Number: ZZZ-30043

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 30, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Control Solenoids, Replacement, Avanti, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-SE-1

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

• Drop Ship
• Special Order

Wheel Seal, Front, 2.405 in. OD, 1.734 in. ID, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: LEB-OILSEAL-1

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Special Order

Axle Shaft Retainer

Part Number: MGR-3833322

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

• Drop Ship
• Special Order

Thrust Washer, Open Differential, GM 7.5 in./7.6 in., Each

Part Number: YGA-33390

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

Differential Spool Bearing Kit; Fits GM 8.5 in. 10 Bolt; Incl. Bearings/Bearing Races

Part Number: RMG-29-0013-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 22, 2025 if ordered today

• Drop Ship
• Special Order

RING GEAR BOLT EACH

Part Number: MGR-PB179-2-L

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Special Order

TH350 DIR/FOR STEEL .068 (11)

Part Number: TCI-324002

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Special Order

Lockwasher, LOCKWASHER 7/16" C9.25/F7.5

Part Number: MGR-RGB4-LW

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

• Drop Ship
• Special Order

Differential Ring Gear Spacer, Ring Gear Spacer

Part Number: MGR-085050C

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

• Drop Ship
• Special Order

TH350 DIR/FOR KOLENE .068 (1)

Part Number: TCI-324003

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Clutch Disc, Organic, 1 3/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, Chevy, GMC/Pontiac, Each

Part Number: RAM-311

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

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

Part Number: RNB-697-100

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Differential Ring And Pinion Set

Part Number: RNB-697-300

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Flywheel, Aluminum, 13.5 lbs., Chevy, Each

Part Number: FIZ-198681

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Thrust Washer, Open Differential, 0.795 in. Inside Diameter, GM 8.5 in./8.6 in., Each

Part Number: YGA-33385

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

COUPLER

Part Number: PWT-1932504CCN

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Master Cylinder, Clutch, 0.875 in. Bore, -4 AN Outlet, Single Bowl, with Billet Reservoir and Factory Clutch Pedal Provisions, GM F-Body, Each

Part Number: BTM-4770813

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 26-spline, 11.000 in. Sintered Metallic Disc Diameter, Chevy, Pontiac

Part Number: HAY-92-1005

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping