1978 PONTIAC FIREBIRD Transmission & Drivetrain

Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85342

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/20/2025

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U-Joint, Light Duty, Spicer SPL25/S44 Type, Each

Part Number: SDH-5-795X

4.76 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/20/2025

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic/Manual Valve Body, Chevy, TH350, Each

Part Number: TCI-311005

4.0 out of 5 stars ( 19 )

Estimated Ship Date: Monday 10/20/2025

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Gear, Ring and Pinion, 3.23:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900191

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/20/2025

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Sfifter Cable, Automatic Transmission, 32 in. Eyelet/Eyelet, Gray, Each

Part Number: SIW-K100-32

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/20/2025

Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36214

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/20/2025

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Axle Shafts, Direct Fit, Rear, 1541H Manganese, Chevy, GMC, Pontiac, 28-Spline, 30.12 Length, Kit

Part Number: MGR-MG22101

4.9 out of 5 stars ( 20 )

Estimated Ship Date: Monday 10/20/2025

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Pinion Bearing Spacer, Crush Sleeve Eliminator, Steel, Chrysler 9.25 in., GM 8.5 in., Each

Part Number: YGA-55048

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Monday 10/20/2025

Clutch Fork Pivot Ball, Adjustable, Steel, Chevy, Pontiac, Oldsmobile, Each

Part Number: SUM-700110

4.12 out of 5 stars ( 33 )

Estimated Ship Date: Monday 10/20/2025

Transmission Pan, Stock, Steel, EDP Coated Black, GM TH350, Each

Part Number: MRG-9765BMRG

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

Clutch Kit, Organic, 1 1/8 in.- 10-Spline, 10.4 in. Disc, Buick, Chevy, GMC, Oldsmobile, Pontiac, L6, V6, V8

Part Number: ZZZ-MU1675-1

4.22 out of 5 stars ( 18 )

Estimated Ship Date: Monday 10/20/2025

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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 10/20/2025

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Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Chevy, Small Block, Kit

Part Number: RAM-50-2125

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Natural Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KD2350HTBLAC

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/20/2025

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Manual Shifter, Competition, Plus, Saginaw, 441, Chevy, Oldsmobile, Pontiac, Each

Part Number: HUU-3918794

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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Differential Carrier Bearing, Bearing and Race Set, Each

Part Number: TMK-SET36

4.33 out of 5 stars ( 15 )

Estimated Ship Date: Monday 10/20/2025

Torque Converter, Nitrous Holeshot, 2,300-2,500 rpm Stall Range, THM350/THM400, Each

Part Number: BMM-20480

4.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 10/20/2025

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Manual Transmission Bellhousing, 621, New, Aluminum, Natural, Blue Bird, Buick, Cadillac, Checker, Chevy, GMC, Jeep, Olds, Pontiac, Workhorse, Each

Part Number: IST-BHG-00104A

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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Transmission Dipstick, Braided Stainless Steel Housing, Black Handle, Chevy, TH350, TH400, Each

Part Number: LOK-XTD350400FM3

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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Yoke, Differential Location, 30-spline Inner, Cast Steel, GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-41092

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

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

Part Number: MGR-R10RMKT

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Monday 10/20/2025

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Clutch Kit, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: LUK-04-021

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/20/2025

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Automatic Transmission Pan, Deep, Aluminum, Natural, GM, TH350, Each

Part Number: TCI-328000

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Monday 10/20/2025

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Ring and Pinion Gears, EXCel, GM 7.5/7.625 in., 3.90:1 Ratio, 27-spline, Standard, for 3.23 or Numerically Higher Ratio Carrier, Chevy, GMC, Olds, Set

Part Number: RMG-GM75390

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Clutch Kit, Street Level, Organic, 1 1/8 in. Diameter Shaft, 10-Spline, 10.5 in. Diameter Disc, Chevy, Kit

Part Number: MCL-75017

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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