1978 PONTIAC FIREBIRD Transmission & Drivetrain

Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: SPZ-36221

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Clutch Linkage Bracket, Bellcrank Pivot Ball Bracket, Frame Side, Steel, EDP Coated, Chevrolet, Pontiac, Each

Part Number: OER-3973086

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Engine Timing Chain, High Performance Timing Chain

Part Number: MEL-40000

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Estimated Ship Date: Nov 17, 2025 if ordered today

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8.5" GM REAR w/Aftermarket_AG-PRO,_YDG,_XHD-Std,_EATorDET BRG & SEAL KIT, KOYO BRGS

Part Number: SPZ-58050

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Yukon Ring & Pinion sets

Part Number: YGA-24671

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Gear, Ring and Pinion, 2.73:1, GM, 8.5 in., 8.6 in., Set

Part Number: SPZ-36346

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Axle 8.2" & 8.5" GM REAR, '68-'81 PASSSHAFT, 30-1/8", 2.780" SMALL HUB, 28spl, 1 SIDE

Part Number: SPZ-11951

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Estimated Ship Date: Nov 6, 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: Nov 6, 2025 if ordered today

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WASHER, PINION THRUST

Part Number: MGR-559291

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., Set

Part Number: MGR-G875342X

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Ring and Pinion Gears, Pro Series, 3.90:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-G975390

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Estimated Ship Date: Nov 10, 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: Nov 10, 2025 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-456

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Estimated Ship Date: Nov 10, 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: Dec 1, 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: Dec 1, 2025 if ordered today

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

Part Number: CTF-CF361874

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Clutch Disc, Sprung Hub, DFX, Cerametallic, 11 in., Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Car, Truck, Each

Part Number: CTF-323384148

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Clutch Disc, DFX, Sprung Hub, Cerametallic, 10.4 in. diameter, Buick, Chevrolet, Mopar, Each

Part Number: CTF-323384161

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Pressure Plate, LMC, Diaphragm-Style, 11 in. Disc Diameter, Each

Part Number: CTF-LM165552

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Clutch Disc, Carbon Composite, 1 1/8 in.- 10-Spline, 10.4 in. Disc, AMC, GM, Each

Part Number: CTF-LM383271

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Pressure Plate, DFX Series, Competition Replacement, Easy Pedal Effort

Part Number: CTF-311165552

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Pressure Plate, DFX Series, Performance, Diaphragm, 10.400 in. Disc Diameter, Each

Part Number: CTF-311361739

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Estimated Ship Date: Nov 11, 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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Estimated Ship Date: Nov 11, 2025 if ordered today

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SLOTTED DRIVER

Part Number: PWT-424003DGE2

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-49-0009-1

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Estimated Ship Date: Nov 10, 2025 if ordered today

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