1978 PONTIAC FIREBIRD Transmission & Drivetrain

Spring, SPRING,COMPRSN, .25D,250 LB/IN

Part Number: PWT-8011001ZAT

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Estimated Ship Date: Aug 21, 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: Aug 19, 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 AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12623

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Yukon Pinion install kit for '81 and older GM 7.5" differential

Part Number: YGA-13063

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Estimated Ship Date: Sep 3, 2025 if ordered today

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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: Aug 18, 2025 if ordered today

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Lockwasher, LOCKWASHER 7/16" C9.25/F7.5

Part Number: MGR-RGB4-LW

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Estimated Ship Date: Aug 19, 2025 if ordered today

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

Part Number: MGR-R10RT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 19, 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: Aug 19, 2025 if ordered today

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Cross Pin Shaft, Notched, Steel, Rear, GM 7.5 in., GM 7.6 in., Each

Part Number: YGA-33435

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Axle Shaft Retainer

Part Number: MGR-3833322

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Estimated Ship Date: Aug 19, 2025 if ordered today

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

Part Number: MGR-R10RET

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 19, 2025 if ordered today

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WASHER, PINION THRUST

Part Number: MGR-559291

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Estimated Ship Date: Aug 19, 2025 if ordered today

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Axle Shaft Retainer

Part Number: MGR-344171

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Estimated Ship Date: Aug 19, 2025 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-308

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Aug 19, 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: Aug 19, 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: Aug 19, 2025 if ordered today

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Pinion Shaft, SHAFT,GM 10-BOLT,7.5,RDF,NOSLP

Part Number: RMG-XL-5630

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Transmission Modulator

Part Number: SMP-TM45

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Estimated Ship Date: Aug 18, 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: Aug 19, 2025 if ordered today

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CLUTCH PRESSURE PLATE

Part Number: SXR-3082-654-319

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Estimated Ship Date: Aug 20, 2025 if ordered today

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Performance Mini Spool (GM 8.5 - 28 Spline)

Part Number: SDH-10015373

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Estimated Ship Date: Aug 28, 2025 if ordered today

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Neutral Safety Switch, Plastic, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: OER-3983965

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Estimated Ship Date: Jan 26, 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: Aug 25, 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: Jan 23, 2026 if ordered today

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Differential Ring And Pinion Set

Part Number: RNB-697-314

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Estimated Ship Date: Aug 18, 2025 if ordered today

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