1978 PONTIAC FIREBIRD Transmission & Drivetrain

Differential Cover, Steel, Chrome, GM, 8.5 in., 10-Bolt, Kit

Part Number: MRG-9891

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Shifter, White Lightning, Short Throw, Billet Aluminum, Tremec TKX 5-Speed, 2.750 in. Offset, Each

Part Number: AWR-S0005

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Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, 28-spline, 10-bolt, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: SPZ-39026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Axle Bearing, Outer, Each

Part Number: TMK-TRP1563TAV

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Today

U-Joints, Spicer 1310 To GM 3RL/S44/Mechanics 3/American Axle 1344, Steel, Each

Part Number: YGA-42013

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pilot Bearing, 0.592 in. i.d., 1.380 in. o.d., Pontiac, Each

Part Number: MCL-8-1380-7

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Clutch Kit, Organic, 1 1/8 in.- 26-Spline, 11 in. Disc, Buick, Chevy, GMC, Oldsmobile, Pontiac, V8, Kit

Part Number: ZZZ-MU5505-1A

3.73 out of 5 stars ( 11 )

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Ring Gear Bolt, Hex Head, 7/16-20 in. Thread Size, Steel, Black, Each

Part Number: YGA-33049

5.0 out of 5 stars ( 2 )

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Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 30.125 in. Length, Each

Part Number: MGR-MG1015

2.5 out of 5 stars ( 2 )

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12622

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Differential Pinion Yoke, Mechanics 3R, 30 Spline, Steel, GM, 8.5 in., 8.6 in., Each

Part Number: YGA-41071

4.6 out of 5 stars ( 5 )

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Automatic Transmission Pan, Stock, Steel, Chrome, GM, TH350, Each

Part Number: TCI-328011

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

Throwout Bearing, 1 1/8 in. Shaft Diameter, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RAM-489

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Flywheel, Aluminum, 10.5 lbs., Chevy, Each

Part Number: FIZ-198541

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Bearing Race, Pinion, 3.250 in. Diameter, Each

Part Number: TMK-M802011

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 3.23:1 Ratio, GM 7.5/7.625 in., Set

Part Number: RNB-697-714

3.0 out of 5 stars ( 1 )

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Axle, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, GM F-Body, A-Body, 8.5 in., Each

Part Number: MSR-A103003-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Automatic Transmission Lever, Steel, Natural, Each

Part Number: HUU-1050180

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Detent Cable, Black, 40.0 in. Length, for TH350 Transmission, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-Y100

3.77 out of 5 stars ( 13 )

Estimated Ship Date: Today

U-Joint Fasteners, Straps, S44/GM 3RL Style, Steel, 1.125 in. Bearing Cap O.D., Buick, Cadillac, Chevy, Kit

Part Number: SDH-2-70-48X

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Differential Side Bearing Spacer; Differential Carrier Shims; For Ford 7.5 in./GM 7.5 in./GM 8.5 in./GM 8.2 in

Part Number: RMG-3800061

4.53 out of 5 stars ( 15 )

Estimated Ship Date: Today

Crosspin Bolt, 5/16 in. Hex Head, Each

Part Number: YGA-33067

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Differential Cover, 10-bolt, Aluminum, Polished, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32030

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Clutch Kit, 450 Street, 11 in. Disc, 26 Spline, 1.125 in. Input Diameter, Diaphragm, GM, Kit

Part Number: HAY-91-1102

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

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Transmission Dipstick, Braided Stainless Steel, Natural, TH350, Each

Part Number: MRG-9703G

3.47 out of 5 stars ( 17 )

Estimated Ship Date: Today