Performance & Replacement Transmission & Drivetrain Parts

Torque Converter, Nitrous Holeshot, 2,300-2,500 rpm Stall Range, THM350/THM400, Each

Part Number: BMM-20480

4.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

6L80 TORQUE CONVERTER

Part Number: APE-45412

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Flywheel, Billet Steel, 168-Tooth, Internal Engine Balance, 27.000 lbs., 1-Piece Rear Main Seal, SFI 1.1, Chevy Gen III/IV (LS-based engines), Each

Part Number: RAM-1550

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Differential, Eaton Detroit Truetrac, 35-Spline, Ford 9 in., Each

Part Number: ETN-914A690

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Differential, Eaton Detroit Truetrac, 35-Spline, Dana 60 HD, 4.10 & down, Each

Part Number: ETN-915A387

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Automatic Transmission Case Bushing, Thrust Bearing, Two 0.010 in. Shims, Two 0.015 in. Shims, GM, 4L80E, 4L85E, TH400, Kit

Part Number: SOX-34006-SPB

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 9/8/2025

Transmission Pan, Stock Depth, Aluminum, Black Powdercoated, Finned, GM, TH400, Each

Part Number: SUM-G3892B

3.31 out of 5 stars ( 16 )

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Flexplate, Heavy-Duty, Steel, Internal Balance, 168 Tooth, SFI 29.1, Chevy, Each

Part Number: HAY-10-030

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Torque Converter, Holeshot, 1,900-2,000 rpm Stall Range, Ford, C-4, Each

Part Number: BMM-50448

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, 4L80E, Each

Part Number: LOK-TD34L80FM

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Axle Bearings, 3.150 in. Outside Diameter, 1.562 in. Inside Diameter, Ford, GM, Pair

Part Number: MSR-9508T

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Monday 9/8/2025

Gear, Ring and Pinion, 3.70:1 Ratio, Ford, 9 in., Set

Part Number: RMG-6903611

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Axle Shafts, Ultimate CV Axles, Front, Inner and Outer, 30 Spline, 4340 Chromoly, Toyota 8.0 in., Kit

Part Number: RCV-CVJ2851-PU

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Torque Converter, Super StreetFighter, Chevy, TH350/TH400, Each

Part Number: TCI-241002

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Governor Recalibration Kit, TH350, TH400, 700R4, Kit

Part Number: SUM-700316

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/8/2025

Flexplate, 168-Tooth, Billet Steel, Internal Balance, GM LS Series, 6 Bolt Crank, SFI 29.2, Each

Part Number: SUM-G127SFI

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Torque Converter Lockup Kit, Pressure Switch, In-line Fuse, GM, 200-4R, 700R4, 4L60, Kit

Part Number: AWW-500412

4.06 out of 5 stars ( 16 )

Estimated Ship Date: Monday 9/8/2025

Torque Converter, SRL Billet Series, 9.5 in. Diameter, 4L60E, 4L65E, Lockup, Each

Part Number: FTI-SRLS3082

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Automatic Transmission Drums, Severe Duty, with Sprag Assembly, Billet Aluminum, GM, 4L80E, 4L85E and TH400, Kit

Part Number: ATI-407059

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Gear, Ring and Pinion, 4.11:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24160

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Governor Recalibration Kit, GM, TH350, TH400, 700R4, Weights, Springs, Seal, Kit

Part Number: BMM-20248

4.64 out of 5 stars ( 33 )

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Automatic Shifter, GM, 4L60E, 16 in. Single Bend Chrome Stick, Original Brushed Mushroom Knob, Each

Part Number: LOK-CM4L60EBM

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

U-Joint, Light Duty, Spicer 1410 Style, Steel, 4 Plain Bearing Cap Style, Each

Part Number: SDH-5-1410X

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/8/2025

Automatic Transmission, StreetFighter, 30-spline Input, Fluid, Torque Converter, Cooler, 4 in. Tailshaft, Chevy, Buick, Olds, Pontiac, TH400, V8, Kit

Part Number: TCI-211000BP2

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

• Free Shipping

Differential Cover, Differential Cover Kit, 10-bolt, Nodular Iron, Blue Powdercoated, Ford 8.8 in., Bentley, Ford, Lincoln, Mazda, Mercury, Each

Part Number: SDH-10023538

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/8/2025

• Free Shipping