Performance & Replacement Transmission & Drivetrain Parts

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: MGR-MS12C

3.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901711

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Gears and Installation Kit, 55P GM 3.08 RATIO REAR R&P GEAR & INSTALL KIT PACKAGE with 17spl POSI

Part Number: YGA-12571

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Torque Converters, Twister Full Race, 3,600-4,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D36F

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Pan, Stock Capacity, Aluminum, Polished, GM, TH350, Each

Part Number: TCI-328010

3.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

• Free Shipping

Transmission Dipstick, Braided Stainless Steel, Natural, TH350, Each

Part Number: MRG-9703G

3.56 out of 5 stars ( 18 )

Estimated Ship Date: Today

Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, GM 8.875 in. (12-bolt), Car/Truck, 30-spline, Buick, Chevy, GMC, Pontiac, Kit

Part Number: SPZ-39021

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Clutch Disc, Street, Organic/Ceramic, 1.125 in.- 26-Spline, 11.0 in. Disc, GM, V8, Each

Part Number: MCL-260571

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Crush Sleeve Eliminator Kit, Steel Spacer, Pinion Shims, GM 7.5 in., GM 7.6 in., GM 8.2 in., Kit

Part Number: YGA-55047

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

Wheel Bearing, Inner, Dynalite Pro Series, Mopar, A Body, Each

Part Number: WIL-370-0879

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Clutch Disc, Dual Friction, 1 1/8 in. Diameter Shaft, 10-Spline, 10.4 in. Diameter Disc, AMC, GM, Each

Part Number: CTF-DF383271

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping

Throttle Valve Cable, Black Vinyl Jacket, 41.750 in. Length, Chevy, TH350, Each

Part Number: OER-342486

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Today

Universal Joint, Super Strength, 1344 Style, Greasable, Steel, Each

Part Number: MOG-235

4.34 out of 5 stars ( 44 )

Estimated Ship Date: Today

• $50.00 Summit Bucks

Torque Converter, GM TH400 65-86 FB HS

Part Number: CCV-TQBU3HF

Not Yet Reviewed

Estimated Ship Date: Today

• Core Charge $25.00
• Free Shipping

Flexplate, Gold Series, 153-Tooth, Internal Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, TH350, Chevy, Small Block, GM V6, Each

Part Number: PQX-1835002

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, Kit

Part Number: RMG-831021M

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Axle Seal, Rear Outer, Avanti, Buick, Chevy, GMC, Chrysler, Dodge, Plymouth, Ford, Lincoln, Mitsubishi, Each

Part Number: TMK-8835S

4.27 out of 5 stars ( 15 )

Estimated Ship Date: Today

Transmission Dipstick, Braided Stainless Steel, Black Housing, Black Handle, Chevy, Powerglide, Each

Part Number: LOK-XTD-30PGFM

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each

Part Number: TMK-M88010

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., Kit

Part Number: MGR-R10REMK

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Carrier Shims, Steel, Ford 8.8 in., GM, 8.0, 8.6, 8.75, 8.875 in., Kit

Part Number: YGA-55002

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 2.73:1 Ratio, GM 8.5 in., Set

Part Number: RNB-697-812

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Yokes, GM 3RL/S44/Mechanics 3/American Axle 1344, 30-spline Inner, Cast Steel, for GM 8.5 in. or GM 9.5 in. Axle As the Pinion Yoke, Strap Style, Each

Part Number: MGR-MG3R-8500

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Pilot Bushing, 0.592 in. I.D., Chevy, Oldsmobile, Each

Part Number: MCL-8-1094-1

2.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

Throwout Bearing, Hydraulic, Each

Part Number: MCL-1300-1

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping