1978 PONTIAC FIREBIRD Transmission & Drivetrain

Differential Cover, 10-bolt, Steel, Natural, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32331

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Yukon positraction internals for 7.5" and 7.625" GM with 26 spline axles

Part Number: YGA-16116

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Estimated Ship Date: Nov 21, 2025 if ordered today

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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 24, 2025 if ordered today

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Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each

Part Number: SPZ-17041

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Estimated Ship Date: Nov 6, 2025 if ordered today

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USA Standard Ring & Pinion "thick" gear set for GM 7.5" in a 3.73 ratio

Part Number: SPZ-36198

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Estimated Ship Date: Nov 6, 2025 if ordered today

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USA Standard Ring & Pinion "thick" gear set for GM 7.5" in a 4.11 ratio

Part Number: SPZ-36200

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 6, 2025 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36201

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Ring and Pinion Gears, GM 7.5/7.6 in., 3.08:1 Ratio, 27-spline, Standard Rotation, GM 7.5/7.6 in., Buick, Chevy, GMC, Hummer, Isuzu, Pontiac, Set

Part Number: SPZ-36193

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Estimated Ship Date: Nov 6, 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: Nov 11, 2025 if ordered today

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Crosspin, Replacement, Steel, Spartan, GM 8.5 in., Each

Part Number: SPZ-17024

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Estimated Ship Date: Nov 6, 2025 if ordered today

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SPRING AND PIN KIT

Part Number: SPZ-17011

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Posi spring kit for GM 7.5", with preload plates

Part Number: YGA-33206

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

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Shifter, White Lightning, Short Throw, Billet Aluminum, Magnum T-56, Kit

Part Number: AWR-SHWL20100SR4

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Differential, Grip Pro Traction System, 28-Spline, GM 8.5 in., Each

Part Number: PWT-GT201028

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Estimated Ship Date: Nov 10, 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 21, 2025 if ordered today

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8.5" GM 28spl MINI SPOOL

Part Number: SPZ-59011

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Differential Ring Gear Spacer, Ring Gear Spacer

Part Number: MGR-075050C

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Tapered Roller Bearing, 1.187 in. I.D., 2.531 in. O.D., Steel, Each

Part Number: FWB-103135

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Automatic Transmission Kickdown Cables, Hi-Tech Kickdown Kits, Black Vinyl Jacket, 42.00 in. Cable Length, Fittings, GM, THM350, Kit

Part Number: LOK-XKD-2350TPU

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Axle Shaft Repair Bearing Various Makes 64-11

Part Number: FWB-DR0148K

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Bearing Various Makes 64-11

Part Number: FWB-FC67147

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Seal AMC,FoMoCo,GM,Jeep,Mopar 50-92

Part Number: FWB-SS2251

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Bearing Various Makes 73-94

Part Number: FWB-BC0141

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Estimated Ship Date: Nov 24, 2025 if ordered today

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