1979 PONTIAC FIREBIRD Transmission & Drivetrain

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875373

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

• Free Shipping

Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 30-spline, Rear, GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-28035

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 20, 2025 if ordered today

• Free Shipping
• Special Order

Differential Yoke, Steel, 1350, 30 Spline, GM 8.5 in. Kit

Part Number: RMG-96-2521K

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping

Clutch Kit, Street Extreme, 1.125 in. - 10-spline, Ceramic Disc, Pressure Plate, Buick, Chevy, Pontiac, Kit

Part Number: MCL-75317

1.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

• Free Shipping

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

Universal Joint, Steel, Buick, Cadillac, Chevrolet, Ford, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-45U0103

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Transmission Fluid Dipstick Components, Automatic Transmission Dipstick Tube Seals, Tube Grommet, 1.015 in. Bore Diameter, Ford, GM, Each

Part Number: ATP-SO35

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Yoke, 27-spline Inner, Cast Steel, 3.500 in. Overall Length, Rear, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-41090

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

• Free Shipping

Axle Shaft, 28-Spline, 30.125 in. Length, Rear, Chevy, Pontiac, Each

Part Number: SPZ-35050

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

U-Joint, Lifetime Series, Spicer 1350 Style, Steel, AMC, Buick, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Mercury, Olds, Pontiac, Each

Part Number: YGA-42021

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-390

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping

Clutch Disc, Race, Ceramic, 1.125 in.- 26-Spline, 10.472 in. Disc, Chevy, Pontiac, V8, Each

Part Number: ACL-6266020

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Differential Ring and Pinion; GM 8.5 10 Bolt - 3.73 Ratio

Part Number: SVL-2023695

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

• Free Shipping

Flexplate, 153 Tooth, Internal Balance, 2-Piece Rear Main Seal, Steel, Chevy, Each

Part Number: QTI-RM-901

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 5, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Seal, Automatic Transmission Selector Shaft, Each

Part Number: TMK-8792S

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

Throwout Bearing, 1 3/8 in. Shaft Diameter, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: HAY-70-201

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Throwout Bearing, Standard, Self-aligning, Buick, Checker, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: TMK-614018

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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

Part Number: YGA-42008

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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: Tomorrow

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 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cable Bracket, Replacement, Used With Bandit Shifters, GM, TH250/TH350/TH375/TH400/2004R/700R4, Each

Part Number: BMM-30498

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36213

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order