PONTIAC FIREBIRD Differential & Rear-End Components

Ring and Pinion Gear, 5.13:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36220

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Estimated Ship Date: Oct 3, 2025 if ordered today

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Ring and Pinion Gear, 4.88:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36219

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 6, 2025 if ordered today

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Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24494

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.5/8.625 in., Set

Part Number: RNB-697-301

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Spider Gears, Side Gears, Cross Pin Shaft, Roll Pin, 28 Spline, Posi, Rear, GM 7.5 in., GM 7.625 in., Kit

Part Number: YGA-16117

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Differential Ring and Pinion; GM 12 Bolt 8.875 - 5.13 Ratio

Part Number: SVL-2023908

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Estimated Ship Date: Oct 1, 2025 if ordered today

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Spool, Mini, Steel, 28-spline, GM 7.625 in., Each

Part Number: YGA-32229

4.5 out of 5 stars ( 2 )

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Gear, Ring and Pinion, 4.10:1 Ratio, GM 7.5/7.625 in., Set

Part Number: RNB-697-306

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Differential Carrier Cases, Extreme Heavy Duty, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20084

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Differential Ring and Pinion; GM 12 Bolt 8.875 - 3.90 Ratio

Part Number: SVL-2023893

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Estimated Ship Date: Oct 1, 2025 if ordered today

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Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-138

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Differential Ring and Pinion; GM 12 Bolt 8.875 - 4.56 Ratio

Part Number: SVL-2023902

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Estimated Ship Date: Oct 1, 2025 if ordered today

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Yukon Pinion install kit for GM 7.75" differential

Part Number: YGA-13065

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Differential Ring And Pinion Set

Part Number: RNB-697-300

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GM 12P DURA GRIP case, bare, 4.10 & up, 30spline & 33spline

Part Number: YGA-20105

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Differential Inner Gear Kit; GM 8.5 - 30 Spline, Dura Grip or Eaton Positraction

Part Number: SVL-10028814

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Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.2 in., Set

Part Number: RNB-697-807

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Axle, Rear, 30-Spline, 30.063 in. Length, Chevy, Pontiac, 8.75 in. Axle, Each

Part Number: RNB-630-138

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Differential Ring and Pinion Set

Part Number: RNB-697-304

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-142

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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 17, 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 17, 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 17, 2025 if ordered today

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CONVERSION KIT for 8.2" CHEVY R&P+YOKE INTO A BOP DIFF

Part Number: YGA-41184

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Estimated Ship Date: Oct 17, 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: Oct 17, 2025 if ordered today

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