Performance & Replacement Transmission & Drivetrain Parts

Automatic Transmission Kickdown Kit, Vintage Series, GM, TH350, Tan/Black/Red, Kit

Part Number: LOK-VS-23501

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Estimated Ship Date: Nov 14, 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 14, 2025 if ordered today

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Automatic Transmission Kickdown Kit, Vintage Series, GM, TH400, Black/White, Kit

Part Number: LOK-VS-24003

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Estimated Ship Date: Nov 14, 2025 if ordered today

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Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, Powerglide, Kit

Part Number: LOK-KD-20PGBLD

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Estimated Ship Date: Nov 14, 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: Nov 20, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 55P GM 3.55 RATIO REAR R&P GEAR & INSTALL KIT PACKAGE

Part Number: YGA-12576

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 55P GM 3.36 RATIO REAR R&P GEAR & INSTALL KIT PACKAGE

Part Number: YGA-12578

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 55P GM 3.08 RATIO REAR R&P GEAR & INSTALL KIT PACKAGE

Part Number: YGA-12579

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 4.56 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12631

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12624

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 4.56 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12625

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.90 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12629

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12620

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1022-1

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Ring and Pinion Installation Kit, 8.2 in. GM, 10-Bolt, Kit

Part Number: RMG-83-1052-B

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 12P 8.875" GM THIN 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12608

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.2 GM 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE with POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12619

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.90 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12623

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 55P GM 3.36 RATIO REAR R&P GEAR & INSTALL KIT PACKAGE with 17spl POSI

Part Number: YGA-12569

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 55P GM 3.73 RATIO REAR R&P GEAR & INSTALL KIT PACKAGE

Part Number: YGA-12574

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Pinion Spacer, SPACER, SOLID GM 12 BOLT SHORT

Part Number: RMG-04-0012-2M

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Carrier Gear Kit, INT KIT GM 55-64 PASS CAR 17SP

Part Number: RMG-XL-4045

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Differential Carrier Gear Kit

Part Number: RMG-XL-4048

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Differential Carrier Gear Kit

Part Number: RMG-XL-4058

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Estimated Ship Date: Nov 20, 2025 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: Nov 20, 2025 if ordered today

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