1970 DODGE CHALLENGER Differential & Rear-End Components

Clutch Kit, Street-Strip Performance, 1 in. Shaft, 23-Spline, 11 in. Organic/Ceramic Disc, Mopar, Kit

Part Number: SUM-700920

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Gear, Ring and Pinion, 3.54:1 Ratio, Dana 60, Set

Part Number: MGR-D60-354

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Gear, Ring and Pinion, 4.30:1 Ratio, Chrysler, 8.75 in., 489 Casting, Set

Part Number: RMG-6900601

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Gear, Ring and Pinion, 3.55:1 Ratio, Chrysler, 8.75 in., 489 Housing, Set

Part Number: MGR-C887355L

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Ring and Pinion Gear, Chrysler, 8.75 in., 489 Case, 3.55:1 Ratio, 12-Bolt, 10-Spline Pinion, Standard Rotation, 39/11 Ring/Pinion Teeth, Set

Part Number: RMG-6903711

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Gear, Ring and Pinion, 3.73:1 Ratio, Dana 60, Set

Part Number: MGR-D60-373

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Gear, Ring and Pinion, 3.55:1, Chrysler, 8.75 in. 742, Set

Part Number: SPZ-36300

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Gear, Ring and Pinion, 3.91:1 Ratio, Chrysler, 8.75 in., 489 Casting, Set

Part Number: RMG-6900581

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Gear, Ring and Pinion, 4.57:1 Ratio, Chrysler, 8.75 in., 489 Casting, Set

Part Number: RMG-6900611

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Gear, Ring and Pinion, 4.10:1 Ratio, Dana 60, Set

Part Number: RMG-6900521

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Gear, Ring and Pinion, 4.10:1 Ratio, Dana 60, Set

Part Number: MGR-D60-410

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Installation Kit, Master Overhaul, Chrysler 8.75 in., 489 Case, Kit

Part Number: YGA-14011

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Gear, Ring and Pinion, 3.73:1 Ratio, Chrysler, 8.75 in., 489 Housing, Set

Part Number: MGR-C887373L

4.5 out of 5 stars ( 2 )

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Gear, Ring and Pinion, 3.54:1 Ratio, Dana 60, Set

Part Number: RMG-4901291

4.75 out of 5 stars ( 4 )

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Gear, Ring and Pinion, 4.56:1 Ratio, Dana 60, Set

Part Number: RMG-6900531

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Ring and Pinion Installation Kit, Master Kit, Chrysler 8.75 in., Kit

Part Number: MGR-R875RLMKT

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Ring and Pinion Gear Installation Kit, Master Overhaul, 29 Spline, Chrysler 8.75 in., 489 Case, Kit

Part Number: YGA-14008

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Spool, Steel, 30 Spline, Chrysler 8.75 in., Each

Part Number: YGA-32040

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Gear, Ring and Pinion, 4.88:1 Ratio, Dana 60, Set

Part Number: RMG-6900541

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Gear, Ring and Pinion, 4.10:1 Ratio, Chrysler, 8.75 in., 489 Casting, Set

Part Number: RMG-6900591

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Gear, Ring and Pinion, 4.10:1 Ratio, Chrysler, 8.75 in., 489 Housing, Set

Part Number: MGR-C887410L

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Ring and Pinion Gears, 3.23:1 Ratio, Standard Rotation, Chrysler 8.75 in., 742 Case, Set

Part Number: YGA-24591

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Gear, Ring and Pinion, 5.38:1 Ratio, Dana 60, Set

Part Number: MGR-D60-538

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Estimated Ship Date: Nov 17, 2025 if ordered today

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USA Standard Ring & Pinion gear set for Chrysler 8.75" (41 housing) in a 3.73 ratio

Part Number: SPZ-36013

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Estimated Ship Date: Nov 13, 2025 if ordered today

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