1978 PONTIAC FIREBIRD Transmission & Drivetrain

Yukon Ring & Pinion sets

Part Number: YGA-24671

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Axle Assemblies, Ford 9 in., Satin Black, 56 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy, Pontiac, Kit

Part Number: ART-11179683

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Automatic Transmission, Circlematic, Forward Shift Pattern, Full Manual Valve Body, Stock Pan, Chevy, THM350, Each

Part Number: TCI-312002

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Estimated Ship Date: Nov 14, 2025 if ordered today

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Differential Ring And Pinion Set

Part Number: RNB-697-314

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1016-1

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Ring and Pinion

Part Number: RMG-GM75456TK

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Automatic Transmission Kickdown Cables, Hi-Tech Kickdown Kits, Black Vinyl Jacket, 42.00 in. Cable Length, Fittings, GM, THM350, Kit

Part Number: LOK-XKD-2350TPU

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Estimated Ship Date: Oct 22, 2025 if ordered today

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Automatic Transmission Kickdown Kit, Vintage Series, GM, TH350, Tan/Black/Red, Kit

Part Number: LOK-VS-23501

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Estimated Ship Date: Oct 22, 2025 if ordered today

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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: Nov 10, 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 AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12624

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Yukon 1541H alloy rear axle for 8.2" and 8.5" GM passenger

Part Number: YGA-21243

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Estimated Ship Date: Nov 10, 2025 if ordered today

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8.5" GM PINION KIT, KOYO BRGS

Part Number: SPZ-60012

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Estimated Ship Date: Oct 24, 2025 if ordered today

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

Part Number: MGR-R10RE

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Estimated Ship Date: Oct 29, 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: Oct 22, 2025 if ordered today

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-308A

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Differential Carrier Gear Kit

Part Number: RMG-XL-4048

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Axle Shaft, Direct Fit, 1541H Alloy Steel, 28-Spline, 30.125 in. Length, Chevy, Pontiac, Each

Part Number: MGR-MG27122

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Differential Carrier Bearings, Standard Replacement, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each

Part Number: MGR-LM501349

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Differential Ring Gear Spacer, Ring Gear Spacer

Part Number: MGR-075050C

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Torque Converter, Holeshot, 3,400-3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20425

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Wheel Bearing, C-Tek Standard, GM Metric-style, Each

Part Number: CEB-413-64000E

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Estimated Ship Date: Nov 5, 2025 if ordered today

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AT HD FLEX PLATE

Part Number: ATP-Z460

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Estimated Ship Date: Oct 22, 2025 if ordered today

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Shifter Replacement Parts, Shift Plate Pattern Inset, Chevy, Pontiac, Each

Part Number: OPS-TSS68

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Shifter Replacement Parts, Shift Plate Pattern Inset, Overdrive, Chevy, Pontiac, Each

Part Number: OPS-TSS69

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Estimated Ship Date: Nov 17, 2025 if ordered today

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