PONTIAC FIREBIRD Differential & Rear-End Components

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Passenger Car, Set

Part Number: MGR-G888456

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Estimated Ship Date: Sep 26, 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: Sep 26, 2025 if ordered today

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MASTER SHIM KIT GM12 BOLT TRUCK

Part Number: MGR-GM12MSK

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Estimated Ship Date: Sep 26, 2025 if ordered today

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Differential Parts Kit

Part Number: MGR-GM76BI

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 26, 2025 if ordered today

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Ring and Pinion Bearing Kit

Part Number: MGR-GM85PIK

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Estimated Ship Date: Sep 26, 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: Sep 26, 2025 if ordered today

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GEAR PINION 12 BOLT 8 7/8

Part Number: MGR-3880140

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Estimated Ship Date: Sep 26, 2025 if ordered today

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Axle Shaft Retainer

Part Number: MGR-344171

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Estimated Ship Date: Sep 26, 2025 if ordered today

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WASHER, PINION THRUST

Part Number: MGR-559291

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Estimated Ship Date: Sep 26, 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: Sep 23, 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: Sep 23, 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: Sep 23, 2025 if ordered today

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Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: SPZ-36221

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Estimated Ship Date: Sep 23, 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: Sep 23, 2025 if ordered today

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Differential Ring and Pinion, USA Standard Ring & Pinion set for 8.2" Buick, Olds & Pontiac, 3.55

Part Number: SPZ-36368

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Estimated Ship Date: Sep 23, 2025 if ordered today

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SPRING AND PIN KIT

Part Number: SPZ-17011

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Estimated Ship Date: Sep 23, 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: Sep 23, 2025 if ordered today

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Axle 7.625"GM REAR, '98-'02 CAMARO, 31-15/16", 28spl, w/OUT_TRACTION_CONTROL *NON-ABS*

Part Number: SPZ-11938

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Axle 7.625" GM REAR, '90-'92 CAMARO, w/DISC BRAKES, 30-3/8", 28spl

Part Number: SPZ-12212

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Estimated Ship Date: Sep 23, 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: Sep 22, 2025 if ordered today

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Axle Shaft, Rear, C-clip, 28-spline Inner, 1541H Alloy Steel, GM 7.625 in., Chevy, Pontiac, Each

Part Number: YGA-21623

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Estimated Ship Date: Oct 8, 2025 if ordered today

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12P & 12T GM NOTCHED X/PIN SHAFT STD & POSI

Part Number: YGA-33429

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Mini spool for GM 7.5" with 26 spline axles

Part Number: YGA-32228

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Yukon steel spool for GM 12 bolt car with 30 spline axles, 4.10 & up

Part Number: YGA-32187

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Yukon steel spool for GM 8.5" & 8.6" with 30 spline axles

Part Number: YGA-32193

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Estimated Ship Date: Oct 8, 2025 if ordered today

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