1978 PONTIAC FIREBIRD Transmission & Drivetrain

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

Part Number: SPZ-58011

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Estimated Ship Date: Nov 6, 2025 if ordered today

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MASTER SHIM KIT GM 8.2 EARLY CAR

Part Number: MGR-GM10MCSK

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Estimated Ship Date: Nov 10, 2025 if ordered today

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7.5" & 7.625" GM EATON POSI SHIM KIT

Part Number: YGA-16047

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 21, 2025 if ordered today

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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: Jan 16, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1016-1

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Estimated Ship Date: Nov 10, 2025 if ordered today

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

Part Number: ATP-SE-1

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Pinion Shaft, CROSS PIN-GM 10 BOLT 8.5" - 93

Part Number: RMG-XL-5640

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

Part Number: LEB-OILSEAL-1

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Axle Shaft Retainer

Part Number: MGR-3833322

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Shifter Cover, Console, Turned Swivel, Insert, Aluminum, Natural, Pontiac, Each

Part Number: OPS-TSS71

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Estimated Ship Date: Dec 1, 2025 if ordered today

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RING GEAR BOLT EACH

Part Number: MGR-PB179-2-L

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Estimated Ship Date: Nov 10, 2025 if ordered today

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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: Nov 10, 2025 if ordered today

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TH350 DIR/FOR STEEL .068 (11)

Part Number: TCI-324002

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Differential Ring Gear Spacer, Ring Gear Spacer

Part Number: MGR-085050C

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Estimated Ship Date: Nov 10, 2025 if ordered today

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TH350 DIR/FOR KOLENE .068 (1)

Part Number: TCI-324003

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Thrust Washer, Open Differential, GM 8.5 in., Each

Part Number: YGA-33304

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 21, 2025 if ordered today

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

Part Number: MGR-RGB4-LW

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Estimated Ship Date: Nov 10, 2025 if ordered today

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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

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Estimated Ship Date: Today

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Flywheel, Aluminum, 13.5 lbs., Chevy, Each

Part Number: FIZ-198681

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Differential Inner Gear Kit; GM 8.5 - 30 Spline, Dura Grip or Eaton Positraction

Part Number: SVL-10028814

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

Part Number: YGA-33385

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Transmission Modulator

Part Number: SMP-TM33

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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: Today

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Differential Ring And Pinion Set

Part Number: RNB-697-300

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COUPLER

Part Number: PWT-1932504CCN

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