1978 PONTIAC FIREBIRD Transmission & Drivetrain

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-4900071

3.0 out of 5 stars ( 2 )

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Flywheel Fasteners, Hex, 7/16-20 in. Thread, Steel, Black, Buick, Cadillac, Chevy, Ford, GMC, Jeep, Mercury, Oldsmobile, Pontiac, Set of 10

Part Number: RNB-678-154

5.0 out of 5 stars ( 1 )

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Ring and Pinion Gears, 2.73:1 Ratio, 27-spline, Standard Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: YGA-24475

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KD-2350TP

5.0 out of 5 stars ( 3 )

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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: Oct 29, 2025 if ordered today

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Differential Crush Sleeves, Steel, Fits with Aftermarket Ring and Pinion Set Only, Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Each

Part Number: MGR-9785792

4.5 out of 5 stars ( 2 )

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Carrier Shims, Super, Steel, Set of 18

Part Number: YGA-16042

3.11 out of 5 stars ( 9 )

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Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 10-spline, 11.000 in. Sintered Metallic Disc Diameter, Chevy, Jeep

Part Number: HAY-92-1004

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Carrier Shims, Ford 8.8 in., GM 12-Bolt Truck, GM 9.3 in. C-Axle, Kit

Part Number: RMG-3800071

4.13 out of 5 stars ( 8 )

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Clutch Disc, Carbon Composite, 1 1/8 in.- 26-Spline, 11 in. Disc, GM, V8, Each

Part Number: CTF-LM384148

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Clutch Pilot Bushing .593 In. x 1.09 In. Type A, Length .750 In., Set of 5

Part Number: RNB-690-014

4.2 out of 5 stars ( 5 )

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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: Oct 29, 2025 if ordered today

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Cross Shaft, Differential, Steel, GM, 10-Bolt, 7.5 in., with Mini Spool, Each

Part Number: RMG-CSPGM75

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 20, 2025 if ordered today

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Differential Shims, Pinion, Steel, Kit

Part Number: MGR-1104

3.83 out of 5 stars ( 6 )

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Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1 1/8 in. Input, 10-Spline, Organic, AMC, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: RAM-50-2122

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Estimated Ship Date: Oct 13, 2025 if ordered today

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

Part Number: QTI-RM-920

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: NTL-M88048

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System High Flow Filter GM TH350

Part Number: TCI-328505

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Pinion Crush Sleeves, Steel, GM, 8.5 in., 8.6 in., 8.75 in., Pair

Part Number: RNB-81057

3.67 out of 5 stars ( 3 )

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Clutch Fork Return Spring, Chevy, Pontiac, Each

Part Number: OER-332521

3.0 out of 5 stars ( 2 )

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Transmission Bushing, Actual OD - 2.0035; Length - 0.605; Max Wall - 0.0622

Part Number: DUR-44034TG

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Transmission Combo, ProFit, Tremec TKX, 5-Speed, 2.87:1 First Gear, 0.68:1 Fifth Gear, GM, F-Body, 1975-81, Kit

Part Number: AWR-COGM-F3FX

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Wheel Bearings, GM Genuine Parts, 1.250 in. Bore Diameter, Steel, 2.328 in. O.D., 0.625 in. Width, BMW, Buick, Chevy, Chrysler, Dodge, Ford, GMC, Each

Part Number: ADO-A6

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Silver Sport EasyFit TREMEC TKX Install Kit 75-81 GM F-Body wo/console

Part Number: IST-EFKF2LTKX

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Estimated Ship Date: Oct 17, 2025 if ordered today

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