Sonnax Transmission Company Transmission & Drivetrain

Automatic Transmission Shift Kits, Shift Improver, E4OD, 4R100, Sold as a Kit

Part Number: SOX-E4OD4R100ZIP

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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• $10.00 Summit Bucks

Cover, Accumulator Piston, GM, TH350, TH350C, Each

Part Number: SOX-35988-01K

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

Transmission Oil Pan, Ford C6, Steel, Each

Part Number: SOX-36950-01

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• $10.00 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

• $10.00 Summit Bucks

Case Bushing, TH400, 4L80E, 4L85E, Each

Part Number: SOX-34006-SP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

Throttle Valve Plunger Kit, Prevents 4-3 Kickdown, 4L60, 700R4, Kit

Part Number: SOX-77966-94MK

5.0 out of 5 stars ( 2 )

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• $10.00 Summit Bucks

Servo, Super-Hold, 4th Gear, Billet Aluminum, Ford, AOD, Kit

Part Number: SOX-76890-17KP

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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

Part Number: SOX-104120-02

Not Yet Reviewed

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• $10.00 Summit Bucks

Shift Kit, Zip Kit, 6R80, 6R100, Kit

Part Number: SOX-6R80L6R100ZI

5.0 out of 5 stars ( 1 )

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• $10.00 Summit Bucks

SERVO COVER KIT SUPPORTED PIN

Part Number: SOX-28821-19K

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Automatic Transmission Clutch Friction Plates, 4,5,6, .078 in. Thick, 6L80, 6L90, Powerglide, Each

Part Number: SOX-104120-01

5.0 out of 5 stars ( 1 )

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• $10.00 Summit Bucks

Shift Kit, Zip Kit, ZF6HP-21, ZF6HP-28, ZF6HP-34, Kit

Part Number: SOX-ZF6-GEN2-ZIP

Not Yet Reviewed

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• $10.00 Summit Bucks

Stator Support Shaft, GM, TH400, Each

Part Number: SOX-34910S-01

Not Yet Reviewed

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• $10.00 Summit Bucks

Governor Gear Kit, 4L60, 700R4, Kit

Part Number: SOX-702

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

FORWARD/REVERSE ABUSE VALVE

Part Number: SOX-7775435K

5.0 out of 5 stars ( 1 )

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• $10.00 Summit Bucks

Servo Piston, 2nd Gear Type, Billet Aluminum, Servo Cover, Pipe Plug, Two Seal Rings, Kit

Part Number: SOX-22301B-01K

5.0 out of 5 stars ( 1 )

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Plug Kit, 3-4 Shift, Kit

Part Number: SOX-7796408K

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

Heavy Duty Intermediate Clutch Outer Sprag Race

Part Number: SOX-34663HD-02

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• $10.00 Summit Bucks
• Special Order

Automatic Transmission Clutch Friction Plates, 4,5,6, .060 in. Thick, 6L80, 6L90, Powerglide, Each

Part Number: SOX-104120-03

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Input Housing, Smart-Tech, GM, 4L60, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77733-06KA

5.0 out of 5 stars ( 3 )

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Yoke, Transfer Case Rear, Chromoly, 31-Spline, Spicer 1350 Joint Style, 7.31 in. Length, Each

Part Number: SOX-T3-3-5431HP

Not Yet Reviewed

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Input Housing, SMART-TECH®, W/298mm Style HD Shaft, 700-R4, 4L60E

Part Number: SOX-77733-10KB

5.0 out of 5 stars ( 1 )

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Automatic Transmission Servo Springs, Servo Return Springs, GM, Powerglide, Each

Part Number: SOX-28133-HD

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

HI CLUTCH DRUM 10 FRICTION

Part Number: SOX-28756-01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Automatic Transmission Rebuild Components, Forward Clutch Hub Washer, Front, Steel, GM, 4L80E, 4L85E, TH400, TH425, Set of 5

Part Number: SOX-34298-078

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• $10.00 Summit Bucks