1979 PONTIAC FIREBIRD Transmission & Drivetrain

Clutch Kit, DFX, Performance, Single Disc, 26-Spline, 1.125 in. Diameter, 11 in. Disc Diameter, Cerametallic, 6-Paddle, Sprung Hub, Kit

Part Number: CTF-315148552

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Pressure Plate, Centerforce II, Diaphragm-Style, 10.4 in. Disc Diameter, Each

Part Number: CTF-CFT361739

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Gear, Ring and Pinion, 4.88:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24162

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Estimated Ship Date: Monday 10/27/2025

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Clutch Kit, Dual Friction, 1 1/8 in. Diameter Shaft, 26-Spline, 10.4 in. Diameter Disc, GM, Kit

Part Number: CTF-DF161675

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/27/2025

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Gear, Ring and Pinion, 3.42:1 Ratio, 1.438 in. Pinion, 27 Spline, 7.500 in. Ring Gear, GM 7.5/7.6 in., Set

Part Number: YGA-24145

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-456

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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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: Nov 13, 2025 if ordered today

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Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875323

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in./7.625 in., 2 Series, Set

Part Number: MGR-G875308

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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Ring and Pinion Kit

Part Number: RMG-GM75308

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Automatic Shifter, Megashifter, Right Hand Drive Models, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-80685

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Ring and Pinion Gear, 2.73:1 Ratio, GM 8.5/8.6, 10 Bolt Cover, 30 Spline, 10 Ring Gear Bolts, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Set

Part Number: YGA-24490

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Estimated Ship Date: Nov 25, 2025 if ordered today

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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 10/27/2025

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Differential Internals, Yukon Dura Grip or Eaton Positraction Internals for 8.5" GM with 28 Spline Axles, Kit

Part Number: YGA-16052

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Estimated Ship Date: Nov 26, 2025 if ordered today

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Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 11.000 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1004

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, Large Journal, GM 8.5 in., Kit

Part Number: YGA-11069

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Clutch Kit, Dual Friction, 1 1/8 in. Diameter Shaft, 26-Spline, 10.4 in. Diameter Disc, Pontiac, Kit

Part Number: CTF-DF161739

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900461

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: SPZ-36218

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Estimated Ship Date: Monday 10/27/2025

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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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Estimated Ship Date: Monday 10/27/2025

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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: Monday 10/27/2025

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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: Nov 24, 2025 if ordered today

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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

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Estimated Ship Date: Nov 11, 2025 if ordered today

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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: Monday 10/27/2025

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SUPER KIT

Part Number: PIO-753026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 13, 2025 if ordered today

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