PONTIAC FIREBIRD Excel Ring Pinion and Axle Differential & Rear-End Components

Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85342

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75373OE

4.0 out of 5 stars ( 6 )

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Axle Shaft, OEM Replacement, 28-Spline, 30.125 in. Length, Chevy, GMC, Pontiac, 8.2 in., Rear, Each

Part Number: RMG-92-25114

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Ring and Pinion Installation Kit, EXCel, GM, 8.5 in., 10-Bolt, 30 Spline Pinion, Koyo Bearings, Kit

Part Number: RMG-XL-1021-1

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85456

3.67 out of 5 stars ( 3 )

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Axle Shaft, 30-Spline, 30.063 in. Length, Chevy, Pontiac, 8.875 in., Rear, Each

Part Number: RMG-92-25122

4.89 out of 5 stars ( 9 )

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Axle Shaft, OEM Replacement, 28-Spline, 32.00 in. Length, Chevy, Pontiac, 7.5 in., Rear, Each

Part Number: RMG-92-25113

4.0 out of 5 stars ( 4 )

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Gear, Ring and Pinion, EXCel, 3.08:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85308

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Ring and Pinion Installation Kit, Complete, GM 7.625 in., Rear, Kit

Part Number: RMG-XL-1083-1

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Differential Carrier Gear Kit

Part Number: RMG-XL-4058

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Axle Shaft Assembly, Axle Shaft Assembly

Part Number: RMG-92-25177

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Differential Carrier Gear Kit

Part Number: RMG-XL-4040

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1019-1

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1044-1

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75410TK

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Differential Carrier Rebuild Kit, GM 7.625 in., 28 Spline, Rear, Open Carrier, Buick, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Kit

Part Number: RMG-XL-4042

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1016-1

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Differential Carrier Gear Kit

Part Number: RMG-XL-4048

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Differential Carrier

Part Number: RMG-XL-5036

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Mini Spool, MINI SPOOL GM 10 BOLT 8.5"

Part Number: RMG-XL-5140

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1040-1

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1022-1

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Mini Spool, MINI SPOOL GM 12 BOLT CAR

Part Number: RMG-XL-5145

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Estimated Ship Date: Feb 9, 2026 if ordered today

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