Transmission & Drivetrain

Clutch Backing Plate, THM400, 4L80-E, Kit

Part Number: SOX-34144HD-01

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Automatic Transmission Valve Body, Remanufactured, Cast Iron, Standard Shift Pattern, 4R70W, Each

Part Number: SOX-F094

Not Yet Reviewed

Estimated Ship Date: Today

• Core Charge $30.00
• Free Shipping
• $20 Summit Bucks

Driveshaft Components, Splined Stub and Sleeve, Aluminum, 3.5 in. Diameter, Natural Finish, Rubber Boot, with Clamps, Universal, Kit

Part Number: SOX-T35125350KIT

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Gears, Premium Planetary Assembly, 1.80:1 Ratio, with 9310 Suns and Pinions, 12-Tooth, Steel, Powerglide, Kit

Part Number: SOX-180S-K

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• $20 Summit Bucks
• Special Order

Yoke, Powerglide Transmission, Forged Steel, 27-Spline, Spicer 1310 Joint Style, 5.47 in. Length, Each

Part Number: SOX-T2-3-6081HP

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $20 Summit Bucks

Servo Piston, 2nd Gear Type, Billet Aluminum, Piston D-rings, Housing, GM, 4L60, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77701-04K

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• $20 Summit Bucks

Servo Pin, Extra Long, Seals, 4L60E, 4L65E, 4L70E, THM700-R4/4L60/MD8, Kit

Part Number: SOX-77787-02K

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

• $20 Summit Bucks

FORWARD/REVERSE ABUSE VALVE

Part Number: SOX-7775435K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20 Summit Bucks

Check Balls, 1/4 in. Diameter, Set of 10

Part Number: SOX-10000-08

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Today

• $20 Summit Bucks

Low/Reverse Servo Piston, Heavy Duty, Billet Aluminum, GM, TH400, 4L80E, Each

Part Number: SOX-34914-01

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Shift Improver Performance Pack, 4R100, Ford, Kit

Part Number: SOX-HP-4R100-01

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping
• $20 Summit Bucks

10 Clutch Drum, Steel, GM, Powerglide, Kit

Part Number: SOX-28756-08K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• $20 Summit Bucks

Clutch Drum, Steel, Ford, 4R70E, 4R70W, 4R75E, 4R75W, AODE, Each

Part Number: SOX-76654-01K

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Clutch Friction Plates, 4,5,6, .090 in. Thick, 6L80, 6L90, Powerglide, Each

Part Number: SOX-104120-02

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Yoke, 4R70W Transmission, Forged Steel, 28-Spline, Spicer 1330 Joint Style, 6.63 in. Length, Each

Part Number: SOX-T2-3-14061HP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping
• $20 Summit Bucks

INPUT SHAFT

Part Number: SOX-30280-01

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $20 Summit Bucks

Line Pressure Booster Kit, Hydraulic, Valve, Sleeve, Pressure Regulator Spring, O-rings, GM, TH400, Kit

Part Number: SOX-400-LB1

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• $20 Summit Bucks

Shift Kit, Zip Kit, BMW, Ford, Infiniti, Lexus, Volkswagen, Volvo, Kit

Part Number: SOX-ZF6-6R60-ZIP

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping
• $20 Summit Bucks

Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4L80E, Kit

Part Number: SOX-4L80E-LB1

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

2ND GEAR SERVO KIT

Part Number: SOX-77701-02K

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $20 Summit Bucks

SPRING RETAINERS SET OF 5

Part Number: SOX-34554-12

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

BAND EXTRA WIDE RED

Part Number: SOX-S019961

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $20 Summit Bucks

Manual Shift, Metric Flange Nuts, TH400, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: SOX-38511-05K

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

• $20 Summit Bucks

Clutch Hub, Carbon Steel, Powerglide, Each

Part Number: SOX-28304

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

• $20 Summit Bucks

Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4L60E, 4L65E, 4L70E, Early Pump, 1.907 in. Long, Kit

Part Number: SOX-4L60E-LB1

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

• $20 Summit Bucks