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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Bellcrank Seals, Clutch Linkage Components, Felt, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: AMD-W-686B

4.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 5.57:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901751

5.0 out of 5 stars ( 1 )

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Switch - Neutral/Backup

Part Number: SMP-NS15

5.0 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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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

5.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-4900051

5.0 out of 5 stars ( 1 )

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Pinion depth shim kit for Toyota8", GM 7.5", 8.2" & 12 bolt truck

Part Number: YGA-55064

5.0 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: Nov 10, 2025 if ordered today

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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: Nov 19, 2025 if ordered today

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1965-83 Buick, Chevy, Pontiac, Olds; Clutch Fork Ball Stud; Each

Part Number: OER-3729000

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Replcement Springs, Powertrax No-Slip, Kit

Part Number: PWT-8001001KAV

4.93 out of 5 stars ( 14 )

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Throwout Bearing, Diaphragm, 1.125 in. Shaft Diameter, Chevy, Buick, GMC, Each

Part Number: ACL-RB466

5.0 out of 5 stars ( 1 )

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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: Nov 6, 2025 if ordered today

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Ring and Pinion Installation Kit, Super Kit, GM, 7.5 in., Kit

Part Number: MGR-GM7-5IK

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Neutral Safety Back Up Switch, Plastic, Automatic Transmission, Chevy, GMC. Oldsmobile, Pontiac, GM#1994163 , Each

Part Number: SUM-RP21426

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Ring and Pinion Gears, 3.23:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36194

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Estimated Ship Date: Nov 6, 2025 if ordered today

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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 )

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Tube Seals, Transmission Fluid Dipstick Components, GM, Set of 5

Part Number: PIO-760014-5

3.33 out of 5 stars ( 3 )

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Differential Shims, Pinion, Steel, Kit

Part Number: MGR-1104

3.83 out of 5 stars ( 6 )

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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: Nov 24, 2025 if ordered today

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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: Dec 15, 2025 if ordered today

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Transmission Pan, Steel, Chrome, Finned, Stock Capacity, Buick, Chevy, Oldsmobile, Pontiac, TH350, Each

Part Number: SPE-5450

4.6 out of 5 stars ( 5 )

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Hydraulic Clutch Master Cylinder Kit 1970 1981 GM Camaro Firebird

Part Number: IST-HGF2MK

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Estimated Ship Date: Nov 24, 2025 if ordered today

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