1977 PONTIAC FIREBIRD Transmission & Drivetrain

Ring and Pinion Gears and Differential Combo, GM 8.5 in., 3.73:1, 30-spline Pinion, 28-spline Axle, Rear, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: YGA-12628

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Estimated Ship Date: Jun 2, 2025 if ordered today

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Clutch Kit, RXT 1200, 1.125 in. - 26-spline, Ceramic Disc, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: MCL-6921-07HD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D42F

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Estimated Ship Date: May 20, 2025 if ordered today

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Differential, Eaton Detroit Locker, 28-Spline, GM, 8.5 in., 3-Series, Each

Part Number: ETN-187C149A

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Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.60 in. Diameter, 10.750 in. Bolt Circle, THM350, Chevy, Each

Part Number: HAY-97-1B42F

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Estimated Ship Date: May 13, 2025 if ordered today

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Throwout Bearing Conversion, Hydraulic, Hydramax, Chevrolet, Kit

Part Number: AWR-HMGM40016

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Estimated Ship Date: Jun 26, 2025 if ordered today

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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: Jun 2, 2025 if ordered today

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Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 26-spline, Metallic Disc, Pressure Plate, Chevy, Small Block, Kit

Part Number: RAM-50-2125N

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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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Axle Assembly, 9 in, Alloy Steel, 1541H Alloy Steel Axles, 31 Spline, Chevy, Pontiac, Each

Part Number: CUR-CE-GMF7081X

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Estimated Ship Date: May 19, 2025 if ordered today

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Clutch Kit, Concept 10.5 Dual-Disc, 1.125 in. - 26-spline, 10.500 in. Diameter Metallic Disc, for Flat 153-tooth Flywheels, Chevy, Ford, Pontiac, Kit

Part Number: RAM-50-2127N

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 9, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12630

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Estimated Ship Date: Jun 2, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 4.56 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12631

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Estimated Ship Date: Jun 2, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12626

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Estimated Ship Date: Jun 2, 2025 if ordered today

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Throwout Bearing Conversion, Hydraulic, Hydramax, Chevrolet, Kit

Part Number: AWR-HMGM40017

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Estimated Ship Date: Jun 26, 2025 if ordered today

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Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 10-spline, Metallic Disc, Pressure Plate, Chevy, Small Block, Kit

Part Number: RAM-50-2120N

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Differential, Select-A-Loc, 28-Spline, GM, 8.5 in., 10-Bolt, Each

Part Number: AUB-545003

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Clutch Kit, Force 10.5 Dual Disc, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Flywheel, Pontiac, 6.6L, 7.5L, Kit

Part Number: RAM-80-2410

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Estimated Ship Date: May 9, 2025 if ordered today

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Clutch Kit, Force 10.5 Dual Disc, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Flywheel, Pontiac, 6.6L, 7.5L, Kit

Part Number: RAM-80-2410S

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Estimated Ship Date: May 9, 2025 if ordered today

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Clutch Kit, Concept 10.5 Dual-Disc, 1.125 in. - 10-spline, 10.500 in. Diameter Metallic Disc, for Flat 153-tooth Flywheels, AMC, Chevy, GMC, Kit

Part Number: RAM-50-2122N

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Estimated Ship Date: May 9, 2025 if ordered today

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Clutch Kit, Force 9.5 Dual Disc, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Flywheel, Chevy, Small Block, Kit

Part Number: RAM-75-2125S

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Estimated Ship Date: May 9, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.90 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12629

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Estimated Ship Date: Jun 2, 2025 if ordered today

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AXLE ASSEMBLY

Part Number: MSR-9BGFBBAKXXAX

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Estimated Ship Date: May 29, 2025 if ordered today

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Clutch Kit, DYAD DS, Performance, Dual Disc, 26-Spline, 1.125 in. Diameter, 10.400 in. Disc Diameter, Organic/Carbon Composite, Billet Flywheel, Kit

Part Number: CTF-413614860

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