1978 PONTIAC FIREBIRD Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

Motive Gear Performance Ring and Pinion Sets G875456 GM 7.5/7.625 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875456

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Allstar Performance Ring and Pinion Gear Sets ALL70118 GM 7.5/7.625 in. 4.56 Gears

3.25 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

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Yukon Gear & Axle Axle and General Purpose Seals YMS99152

7.5" & 8.2" GM REDI sleeve yoke saver

Part Number: YGA-30221

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

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Estimated Ship Date: Oct 31, 2025 if ordered today

SPEC Stage 2 Plus Clutch Kits SC203H

Clutch Kit, Stage 2 Plus, Carbon/Semi-Metallic/Kevlar®, Full Face/Sprung Hub, Buick, Chevy, Pontiac, Kit

Part Number: SXC-SC203H

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Yukon Gear & Axle Ring and Pinion Sets YG GM7.5-323 GM 7.5/7.6 in. 3.23 Gears

Ring and Pinion Gears, 3.23:1 Ratio, 27-spline, Standard Rotation, GM 7.5 in., GM 7.6 in., Set

Part Number: YGA-24477

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

Yukon Gear & Axle 26/28 Spline Differential Carrier Cases GM 7.5/7.625 Inch YC GM7.5-DG-3

Yukon Dura Grip case, GM 7.5 & 7.625", 3.23 & up

Part Number: YGA-20106

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

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Estimated Ship Date: Oct 31, 2025 if ordered today

Richmond Gear Ring and Pinion Sets 49-0284-1 GM 7.5/7.625 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM 7.5 in., GM 7.625 in., 10-bolt, Set

Part Number: RMG-49-0284-1

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

ATP Detent Cables Y-1326

Detent Cable, 37 in. Length, Buick, Oldsmobile, Pontiac, Each

Part Number: ATP-Y-1326

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

PRW Billet Aluminum 153-Tooth Flywheel 1932700

Flywheel, PQx, Billet Aluminum, 153-tooth, 13.000 lbs., SFI 1.1, Neutral Engine Balance, Chevy, Each

Part Number: PQX-1932700

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

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Estimated Ship Date: Nov 14, 2025 if ordered today

Silver Sport Transmission - Shifter Replacement Parts, Manual Transmission for 1970-1981 CAMARO, 1975-1981 FIREBIRD - SBG-G7590

Upper Shifter Boot 1970 1981 GM Camaro Firebird

Part Number: IST-SBG-G7590

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits R10RTPK

Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RTPK

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

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Estimated Ship Date: Oct 23, 2025 if ordered today

Yukon Gear & Axle Differential Clutch Sets YPKGM12-PC-18

Differential Clutch, Steel Pack, Dura-Grip, Eaton, 18-Plate, GM, 8.875 in., Set

Part Number: YGA-16110

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 31, 2025 if ordered today

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Estimated Ship Date: Oct 31, 2025 if ordered today

National Bearing Differential Bearings LM501349

Differential Carrier Bearing, Steel, Each

Part Number: NTL-LM501349

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

American Powertrain White Lightning Shifters for 1970-1981 CAMARO, FIREBIRD - SHWL-10100SR4

Shifter, White Lightning, Short Throw, Billet Aluminum, Tremec TKO 500/TKO 600, 2.73 in. Offset, Kit

Part Number: AWR-SHWL10100SR4

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

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Estimated Ship Date: Nov 28, 2025 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM75410TK GM 7.5/7.625 in. 4.10 Gears

Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75410TK

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

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Estimated Ship Date: Oct 23, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-390 GM 8.5/8.6 in. 3.90 Gears

Ring and Pinion Gear, 3.90:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36215

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-308 GM 8.5/8.6 in. 3.08 Gears

Ring and Pinion Gear, 3.08:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36211

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Yukon Gear & Axle U-Joints YUJ3147

Yukon Mechanics 3R U/Joint. 2.556" snap ring span, 1.125" cap diameter. Inside snap ring.

Part Number: YGA-42014

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

USA Standard Gear Ring and Pinion Sets ZG GM8.5-488 GM 8.5/8.6 in. 4.88 Gears

Ring and Pinion Gear, 4.88:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36219

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-513 GM 8.5/8.6 in. 5.13 Gears

Ring and Pinion Gear, 5.13:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36220

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Pioneer Automotive Torque Converter Fasteners 859035

Torque Conv. Bolt Kit

Part Number: PIO-859035

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

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Estimated Ship Date: Oct 21, 2025 if ordered today

Dana Spicer Drivetrain Products Axle Bearings 10024044

Master Axle Overhaul Bearing Kit; GM 8.5

Part Number: SDH-10024044

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

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Estimated Ship Date: Nov 5, 2025 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-538 GM 8.5/8.6 in. 5.38 Gears

Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24494

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

Dorman Ring and Pinion Sets 697-301 GM 8.5/8.625 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.5/8.625 in., Set

Part Number: RNB-697-301

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

RAM Powergrip 300/900 Series Clutch Discs 980

RAM Powergrip 300/900 Series Clutch Discs 980

Clutch Disc, Sintered Iron, 1 1/8 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Chevy/GMC/Pontiac, Each

Part Number: RAM-980

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Yukon Gear & Axle Spider Gear Kits YPKGM7.5-P-28

Spider Gears, Side Gears, Cross Pin Shaft, Roll Pin, 28 Spline, Posi, Rear, GM 7.5 in., GM 7.625 in., Kit

Part Number: YGA-16117

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

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Estimated Ship Date: Oct 31, 2025 if ordered today