1978 PONTIAC FIREBIRD Transmission & Drivetrain

High performance Yukon Ring & Pinion "thick" gear set for GM 7.5" in a 4.11 ratio

Part Number: YGA-24481

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Yukon Ring & Pinion sets

Part Number: YGA-24671

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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 17, 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: Nov 3, 2025 if ordered today

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Ring and Pinion Gears, 5.13:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: YGA-24163

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Yukon Dura Grip case, GM 8.5" & 8.6", 2.73 & up

Part Number: YGA-20107

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12620

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Estimated Ship Date: Nov 3, 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: Nov 3, 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 3, 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 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12629

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Ring and Pinion Gear Installation Kit, Minimum Install, 27-spline, Standard Rotation, Rear, GM 7.5 in., GM 7.625 in., Kit

Part Number: YGA-12050

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Estimated Ship Date: Nov 3, 2025 if ordered today

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

Part Number: YGA-11061

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Estimated Ship Date: Nov 3, 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 3, 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 21, 2025 if ordered today

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Cross Shaft, Differential, Steel, GM 8.5 in., with Mini-Spool, Each

Part Number: YGA-32238

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Estimated Ship Date: Nov 3, 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: Oct 24, 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: Oct 20, 2025 if ordered today

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OVERHAUL KIT

Part Number: PIO-750002

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Estimated Ship Date: Oct 21, 2025 if ordered today

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OVERHAUL KIT

Part Number: PIO-750004

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Estimated Ship Date: Oct 21, 2025 if ordered today

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OVERHAUL KIT

Part Number: PIO-750041

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Estimated Ship Date: Oct 21, 2025 if ordered today

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OVERHAUL KIT

Part Number: PIO-750043

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Estimated Ship Date: Oct 21, 2025 if ordered today

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SUPER KIT

Part Number: PIO-753001

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Estimated Ship Date: Oct 21, 2025 if ordered today

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SPRING AND PIN KIT

Part Number: SPZ-17011

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Estimated Ship Date: Oct 20, 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: Oct 20, 2025 if ordered today

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7.5 GM STD S/G T/W

Part Number: YGA-33389

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Estimated Ship Date: Nov 3, 2025 if ordered today

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