1978 PONTIAC FIREBIRD Transmission & Drivetrain

Kickdown Bracket Only, Complete Kit Part # LOK-KD-2350U, Each

Part Number: LOK-KDB-4350

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

Shifter Clips, Steel, Hurst, Set of 3

Part Number: AMD-W-697

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Ring and Pinion and Differential Combo, GM 8.5 in., 3.42:1 Ratio, 28-Spline, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: YGA-12627

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Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75456

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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U-Joint, Spicer 1310, Greasable, Steel, Each

Part Number: YGA-42008

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Axle Shaft, Rear, C-clip Type, 28-spline Inner, Steel, 30.000 in. Length, GM 8.5 in., Chevy, Pontiac, Each

Part Number: RNB-630-141

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, TH350, 2,400 rpm Advertised Flash Stall, Each

Part Number: HAY-97-1B24Q

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Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each

Part Number: SPZ-17041

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Wheel Bearings, Tapered Roller, Steel, 1.313 in. Inside Diameter, 2.687 in. Outside Diameter, Each

Part Number: FWB-DB0669

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Throwout Bearing, 1 1/8 in. Shaft Diameter, 1.270 in. Overall Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RAM-488

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Differential Cover, 10-bolt, Steel, Chrome, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32014

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Transmission Filter, Buick, Chevy, GMC, Oldsmobile, Pontiac, TH350, Kit

Part Number: ATP-B45

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-373

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Differential, Grip Pro Traction System, 28-Spline, GM 8.5 in., Each

Part Number: PWT-GT201028

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Estimated Ship Date: Nov 26, 2025 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $645.62

Rebate Expires: 12/31/2025

Get $40 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.42 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12621

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Throwout Bearing, Diaphragm, 1.125 in. Shaft Diameter, Chevy, Buick, GMC, Each

Part Number: ACL-RB466

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Flexplate Ring Gear, 168-Tooth, Replacement, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-ZA500

4.83 out of 5 stars ( 12 )

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

Wheel Bearing, GM Genuine Part, for use on Honda®, AMC, Buick, Cadillac, Chevy, Dodge, Ford, GMC, Isuzu, Jeep, Mercury, Olds, Plymouth, Pontiac, Each

Part Number: ADO-5707

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

Part Number: MGR-G885488

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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: Today

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Seal, Automatic Transmission Selector Shaft, Each

Part Number: TMK-8792S

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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: Nov 26, 2025 if ordered today

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Axle Bearing Seal, Rear, Oil Seal, Nitrile, Avanti, Buick, Chevy, Dodge, Ford, Each

Part Number: NTL-8660S

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: YGA-24480

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Estimated Ship Date: Dec 8, 2025 if ordered today

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