Performance & Replacement Transmission & Drivetrain Parts

Transmission Dipstick, Braided Stainless Steel, Polished, Firewall Mount, Chevy/GMC, 4L80E, Case Fill, Each

Part Number: SUM-703000

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

Input Housing, SMART-TECH®, W/300mm Reluctor Style HD Shaft, 4L60E, 4L65E, 4L70

Part Number: SOX-77733-12KB

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Free Shipping
• Special Order

Differential Cover, GM 8.5 in., 10-bolt, Nodular Iron, Black Powdercoated, Cadillac, Chevrolet, GMC, Each

Part Number: YGA-29113

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Automatic Transmission, 4L80E, Level 3, 3,600 Stall Converter, Automatic Valve Body, Standard Shift Pattern, GM, Late Case, Chevy, Each

Part Number: FTI-FTK4L8-3L4

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Drums, Direct Drums, Steel, Sprag Assembly, GM, TH400, Kit

Part Number: FTI-F4038

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Clutch Kit, Muscle Car, Organic, 1 3/16 in.- 18-Spline, 10.5 in. Diameter Disc, Chrysler, Big Block, Hemi

Part Number: RAM-92503

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Transmission Dipstick, Locking, Steel, Gold Iridited, Chevy, Powerglide, Each

Part Number: SUM-702206

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/13/2025

Locking Hubs, Manual, 27-spline, 5 Bolts, Chrome Steel Housing, Black Plastic Dial, Jeep, Set

Part Number: CWA-400526

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Drive Shaft Center Support, Toyota, Each

Part Number: SDH-211750-1X

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/13/2025

Clutch Kit, Organic, 1-1/16 in. Shaft, 10-Spline, 11 in. Diameter Disc, Ford, Kit

Part Number: SUM-700818

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Universal Joint, Super Strength, 1350 Style, Solid, Steel, Each

Part Number: MOG-231

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/13/2025

• $50.00 Summit Bucks

Sun Shell. Reaction shell, Automatic Transmission, Steel, 700R4, 4L60E, 4L65E, 4L70E, Each, With hardened neck and splines

Part Number: SUM-705401-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

Differential, Eaton Detroit Truetrac, Limited Slip, 29-Spline, Chrysler, 8.25 in., Each

Part Number: ETN-912A553

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Nov 7, 2025 if ordered today

• Free Shipping

Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Chevy, Small Block, Kit

Part Number: RAM-50-2125

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Solenoid, Trans-Brake, Billet Aluminum, Natural, GM, Powerglide, Each

Part Number: HUP-HP7498HD

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Transmission Upgrade Kit, Shift Improver, GM, TH400, TH375, M40, Each

Part Number: BMM-20260

4.8 out of 5 stars ( 15 )

Estimated Ship Date: Monday 10/13/2025

Gear, Ring and Pinion, 3.73:1 Ratio, Dana 44, Set

Part Number: MGR-D44-373

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Locking Hubs, Manual, Cast Aluminum, Ford, Mazda, Pair

Part Number: RGG-1500170

4.41 out of 5 stars ( 87 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Differential Carrier, Air Locker, Nodular Iron, Toyota 8.0 (7.8) in., Kit

Part Number: ARB-RD132

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

U-Joint Girdles, Steel, Natural, 1350-Style, Pair

Part Number: STR-U1610

4.46 out of 5 stars ( 39 )

Estimated Ship Date: Monday 10/13/2025

Dura Grip Positraction Carrier, Traction-Loc, Ford 8.8 in., 28 Spline, Each

Part Number: YGA-26005

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Valve Body, Trans-Brake, Full Manual, Forward Pattern, Chevy, Powerglide, Each

Part Number: TCI-748200

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Flexplate, Billet Steel, 10-Bolt, Internal Balance, Ram, 68RFE, Cummins, Each

Part Number: RVM-68RFE-901A

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Shifter Cable, Super Duty, 3 ft. Length, Morse Style, Eyelet/Threaded Ends, Black, Each

Part Number: BMM-81831

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/13/2025

Axle Differential Case, Ford 9 in., Nodular Iron, 3.062 in. Bearing Bore, Each

Part Number: SUM-CTDHNI3062

4.67 out of 5 stars ( 15 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping