1978 PONTIAC FIREBIRD Transmission & Drivetrain

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

Part Number: RMG-831021M

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Transmission Pan, Deep, Steel, Chrome, GM, TH250, TH350, Each

Part Number: BMM-30289

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Yoke, Differential Location, 27-spline Inner, Steel, Mechanics 3R U-joint Style, Rear, GM 7.5 in., GM 7.6 in.

Part Number: YGA-41088

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Clutch Kit, Dual Friction, 1 1/8 in. Diameter Shaft, 10-Spline, 10.4 in. Diameter Disc, Chevy, Pontiac, Kit

Part Number: CTF-DF271675

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36216

Not Yet Reviewed

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Flywheel, Steel, 166-Tooth, 30 lb., Internal Engine Balance, Pontiac, V8, Each

Part Number: HAY-13-130

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

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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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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900171

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Crush Sleeve Eliminator Kit, Steel Spacer, Pinion Shims, GM 7.5 in., GM 7.6 in., GM 8.2 in., Kit

Part Number: YGA-55047

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

Bearing Race, Pinion, 3.250 in. Diameter, Each

Part Number: TMK-M802011

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 11 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1102

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 26, 2025 if ordered today

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Differential Carrier Cases, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20083

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Clutch Kits, Stock Replacement, 1.125 in.- 10-spline, 10.563 in. Diameter Organic Disc, Pressure Plate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: LUK-04-002

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each

Part Number: TMK-M88010

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

Clutch Kit, Street Extreme, 1.125 in. - 10-spline, Ceramic Disc, 12.00 in. Disc Diameter, Pressure Plate, Chevrolet, Pontiac, Kit

Part Number: MCL-75328

Not Yet Reviewed

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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

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Flexplate, Gold Series, 166-Tooth, Internal Engine Balance, SFI 29.1, TH350, TH400, 700R4, Pontiac, V8, Each

Part Number: PQX-1845501

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Shifter Cable, Black Jacket, 32.00 in. Length, TH350, TH400, Console, Chevy, Pontiac, Each

Part Number: ATP-Y117

4.6 out of 5 stars ( 25 )

Estimated Ship Date: Today

Universal Joint, Super Strength, 1344 Style, Greasable, Steel, Each

Part Number: MOG-235

4.34 out of 5 stars ( 44 )

Estimated Ship Date: Today

Clutch Kit, Organic, 1 1/8 in.- 26-Spline, 10.4 in. Disc, Oldsmobile, Chevy, Pontiac, Kit

Part Number: ZZZ-30005S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Transmission Bellhousing Spacer, Universal, Bellhousing to Block, Steel, Zinc Plated, 0.375 in Thick, Chevy, Ford Small Block, Each

Part Number: QTI-RM-6013

Not Yet Reviewed

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Spool, Mini, Steel, 30-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32233

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Universal Joint, 1344 Style, Greasable, Steel, Each

Part Number: SUM-732001

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ring and Pinion Gears, 3.23:1 Ratio, GM 8.5 in., Set

Part Number: SVL-2023698

Not Yet Reviewed

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Flywheels, OE Replacement, Ductile Iron, 153-tooth, 16 lbs., Internal Engine Balance, Chevy, GMC, Pontiac, Each

Part Number: PFT-50-6516

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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