Transmissions

Shift Kit, Zip Kit, Chevy, Kit

Part Number: SOX-6L45-6L90ZIP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Gears, Premium, Planetary Type, Steel, 1.80:1 First Gear Ratio, Long Output Shaft, GM, Powerglide, Kit

Part Number: SOX-28180G-01

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Clutch Hub, Full, Forged, Extreme Duty, GM, 4L80E, 4L85E, TH400, TH425, Kit

Part Number: SOX-34322-02K

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Gears, Input Carrier Kits, Front Carrier, Steel, 2.84:1 First Gear Ratio, 1.55:1 Second Gear, 1.00:1 Third Gear, GM, Kit

Part Number: SOX-77284-K

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Sun Shell, SmartShell, Heavy Duty Reaction, 4L60, 4L60E, 4L65E, 4L70E, Each

Part Number: SOX-77749-02K

4.71 out of 5 stars ( 21 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Filters, GM Genuine Parts, Rubber Gaskets, Chevrolet, Kit

Part Number: ADO-24045729

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $20.00 Summit Bucks

INPUT SHAFT 300M MATERIAL

Part Number: SOX-34670-01

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Intermediate Shaft, 300M, Extreme Duty Hub, 4-5-6 CL, GM 6L80, 45T, Each

Part Number: SOX-104680-45

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

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: Monday 11/10/2025

• Core Charge $75.00
• Free Shipping
• $10.00 Summit Bucks

Flexplate, OE Replacement, 168-Tooth, 14.00 in. Diameter, Internal Balance, Steel, Chevy, LS, 4L80E/TH350/TH400, Each

Part Number: ADO-19260102

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Transmission Bellhousing, New, Aluminum, 6L80, 6L90, Each

Part Number: ADO-24248031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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• $20.00 Summit Bucks

Clutch Slave Cylinders, Aluminum, Natural, Chevrolet, 6.0L, 6.2L, 7.0L, Each

Part Number: ADO-24237634

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $20.00 Summit Bucks

Shift Improver Performance Pack, 4L60E, 4L65E, 4L70E, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: SOX-HP-4L60E-01

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Rebuild Components, Reaction Shaft, GM, 4L60, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-74602-01K

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Pan, Stock Style, Steel, Natural, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-8667545

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Automatic Transmission Drum, Smart-Tech Drum Module, Aluminum, Chevy, TH400, Kit

Part Number: SOX-34555-01K

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Servo, Super-Hold, 2nd Gear, Billet Aluminum, GM, 4L60, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77911-03K

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Pan, Steel, Natural, Chevy, GMC, Each

Part Number: ADO-24204278

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $20.00 Summit Bucks

Billet Servo, Low Gear, Billet Aluminum, Powerglide, Kit

Part Number: SOX-28821-10K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Servo, Super-Hold, 4th Gear, Billet Aluminum, GM, 4L60, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77767K

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Automatic Transmission Rebuild Components, Pressure Sensor, Primary/Secondary, OEM-style, for JF010E/JF011E and F1CJA, Each

Part Number: SOX-33417N

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Automatic Transmission Output Shaft, Heavy-Duty, 300M Steel, RWD Only, GM, 4L60E, 4L65E, 4L70E, Each

Part Number: SOX-74678L-HD

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Rebuild Kit, Master Racing, GM, 4L60E, Kit

Part Number: TCI-379110

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $30.00 Summit Bucks

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 11/10/2025

• $10.00 Summit Bucks

Automatic Transmission Valve Body, GM 4L80-E, 4L85-E, Performance, Each

Part Number: SOX-HP-4L80E-01

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks