Performance & Replacement Transmission & Drivetrain Parts

Differential, Detroit Truetrac, 32-Spline, Chevy, 218mm AAM, Each

Part Number: ETN-912A686

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Torque Converter, ESB Series, 11 in. Diameter, 3,200 rpm Flash Stall, 4L60E, 4L65E, 4L70E, Each

Part Number: FTI-ESB3200LS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Shift Kit, Automatic Type, Includes .500 in. Boost Valve, GM, 4L60E, Each

Part Number: TRG-4L60E-HD2

4.75 out of 5 stars ( 59 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Transmission Dipstick, Locking, Braided Stainless/Natural, Firewall Mount, TH350, TH400, Each

Part Number: LOK-1211144

4.9 out of 5 stars ( 30 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Automatic Transmission Package, SuperMatic 6L80E, 2,400-2,800 Stall Converter, Chevrolet, LT1/LT4 Engines, 4WD, Kit

Part Number: NAL-19432680

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Yoke, FMX, T-56, Chromoly, 31-Spline, Spicer 1350 Joint Style, 6.44 in. Length

Part Number: SOX-T3-3-2491HP

4.94 out of 5 stars ( 16 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping
• $10 Summit Bucks

Automatic Transmission Case, Powerglide, Aluminum, Natural, SFI 4.1, GM, Each

Part Number: TOS-2505

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping

Transmission Pan, Deep, Aluminum, Natural, GM, 4L80E, 4L85E, Each

Part Number: FTI-F8013

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Clutch Kit, Street Dual, Clutch, Pressure Plate, Throw-out Bearing, Hardware, Dodge, Kit

Part Number: SBB-SDD3250-6

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Flexplate, Chevy, 168-Tooth, Internal Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, Each

Part Number: ATI-915541

4.85 out of 5 stars ( 34 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Shifter, Manual, Competition Plus, Buick, Chevy, Oldsmobile, Pontiac, Studebaker, Each

Part Number: HUU-3917308

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-411A

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Torque Converters, SRL-3 Series Billet Triple Clutch, 1.702 in. Crank Pilot Diameter, 36-spline, 9.500 in. Diameter, 8L90, Each

Part Number: FTI-SRL93082-3

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Hydraulic Throwout Bearing, Diaphram, Tremec, TKO 500, TKO600, TKX, Ford, Each

Part Number: TIL-60-6102

4.69 out of 5 stars ( 16 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Clutch Kit, Organic, Clutch, Pressure Plate, Flywheel, Throw-out Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-13125-OKHD

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Differential, Trac-Loc, Ford, 9 in., 28-Spline, Each

Part Number: SUM-CTF9TRACL28

4.44 out of 5 stars ( 16 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, Ford, Lincoln, Mercury, AOD, Kit

Part Number: LOK-KD2AODHT

4.88 out of 5 stars ( 52 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 12-Bolt, 3 Series, Each

Part Number: ETN-19587-010

4.79 out of 5 stars ( 14 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Clutch Kit, RXT, 1 1/8 in. x 26-Spline, 9.688 in. Diameter Disc, Kit

Part Number: MCL-6923-07

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Automatic Transmission Valve Body, Remanufactured, Automatic Valve Body Style, Cast Iron, Standard Shift Pattern, Daimler, Each

Part Number: SOX-CHR146

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 12/26/2025

• Core Charge $75.00
• Free Shipping
• $10 Summit Bucks

Automatic Transmission Valve Body, Billet Aluminum, Trans-Brake, Full Manual, Reverse Shift Pattern, Chevy, TH400, Each

Part Number: SUM-700014

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Torque Converter, Pro-Street, 3,000 rpm Stall, Chevy, TH350, TH400, Each

Part Number: HUP-GM30

4.81 out of 5 stars ( 16 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Automatic Transmission Valve Bodies, Trans-Brake Valve Bodies, Full Manual, Billet Aluminum, Sportsman Brake, Chevy, TH400, Reverse Shift Pattern, Kit

Part Number: FTI-F4009B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Torque Converter, 30-spline, Furnace-brazed, 10.750 in. Bolt Pattern, Chevy, TH350, TH400

Part Number: AAF-ALL26906

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Separator Plate, Engine to Bellhousing, Steel, Natural, 0.048 in. Thick, Ford, SBF, 157/164-Tooth Flywheel/Flexplate, Each

Part Number: SUM-700600

4.4 out of 5 stars ( 73 )

Estimated Ship Date: Friday 12/26/2025