$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

Fall Clearance Sale - Save Today on The Parts You Need!

1978 PONTIAC FIREBIRD Transmission & Drivetrain

Individual Parts

Results 251 - 275 of 827

Flywheel, Billet Steel, 166-Tooth, 30.6 lb., External Engine Balance, SFI 1.1, Pontiac, V8, Each

Part Number: CTF-700600

4.33 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-4900051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

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: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

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: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

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 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

Pinion Shims, Steel, Kit

Part Number: YGA-55009

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

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

Part Number: TMK-M88010

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

Clutch Disc, Dual Friction, 1.125 in.- 26-spline, 12 in. Diameter, Buick, Cadillac, Chevy, GMC, Olds, Pontiac

Part Number: CTF-DF382612

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901711

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

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

Part Number: HAY-85-100

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

Bearing, Rear Axle, Steel, Replacement, Each

Part Number: NTL-5707

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

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: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

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

Part Number: ATP-Y100

3.86 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

Differential Parts Kit; Open Differential; Includes 28-Spline Side And Pinion Gears/Washers/Pinion Shaft /Bolt

Part Number: MGR-GM10-BI

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

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

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

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: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

Clutch Disc, Dual Friction, 1 1/8 in.- 26-Spline, 10.4 in. Disc, Buick, Chevy, Oldsmobile, Pontiac, V8, Each

Part Number: CTF-DF384161

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75373TK

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

Ring and Pinion Gears, GM 7.5/7.6 in., 3.73:1 Ratio, 27-spline, Standard Rotation, GM 7.5/7.6 in., Set

Part Number: SVL-2020395

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

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

Part Number: SVL-2023698

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

Wheel Bearing, Rear, Outer, Buick, Cadillac, Chevy, GMC, Oldsmobile, Dodge, Plymouth, Ford, Lincoln, Mazda Axle saver repair bearing

Part Number: NTL-RP5707

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

Clutch Disc, Dual Friction, 1 1/8 in. Diameter Shaft, 10-Spline, 10.4 in. Diameter Disc, AMC, GM, Each

Part Number: CTF-DF383271

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

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

Part Number: MGR-R10RSKT

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

Pressure Plate Bolts, Hex Head, Steel, Black, 3/8 in.-16 Thread, Chevrolet, Chrysler, Dodge, Oldsmobile, Plymouth, Pontiac, Set of 6

Part Number: MCL-1512

5.0 out of 5 stars ( 4 )

Cannot be shipped Internationally

...Loading

Cannot be shipped Internationally

Bearing Race, Pinion, 3.250 in. Diameter, Each

Part Number: TMK-M802011

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/6/2025

...Loading

Estimated Ship Date: Monday 10/6/2025

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.