Sonnax Transmission Company Transmission & Drivetrain

Flange Yoke, Aluminum, 1350, 3-Bolt Flange, Each

Part Number: SOX-T35-GMFD-01K

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/8/2025

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• $10 Summit Bucks

Shift Kit, Zip Kit, Chevy, Kit

Part Number: SOX-6L45-6L90ZIP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

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• $10 Summit Bucks

Yoke, 4L80E, TH400, Chromoly, 32-Spline, 1350 U-Joint, 6.370 in. Long, Each

Part Number: SOX-T3-3-2431HP

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/8/2025

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• $10 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 12/8/2025

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• $10 Summit Bucks

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: Monday 12/8/2025

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• $10 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 12/8/2025

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• $10 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 12/8/2025

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• $10 Summit Bucks

Yoke, Slip, 32 Spline, Chromoly, Spicer 1350, 6.37 in. Length, Borg Warner/GM/Muncie/Saginaw, Each

Part Number: SOX-T332431CBHP

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/8/2025

• Free Shipping
• $10 Summit Bucks

Yoke, Forged Chromoly, 1350, TH400, 32-Spline, 5.380 in. Barrel Length, Each

Part Number: SOX-T3-3-5571HP

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/8/2025

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• $10 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 12/8/2025

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• $10 Summit Bucks

Yoke, 4L60, 700R4, Chromoly, 27-Spline, Spicer 1350 Joint Style, 6.94 in. Length, Each

Part Number: SOX-T3-3-4281HP

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/8/2025

• Free Shipping
• $10 Summit Bucks

Automatic Transmission Rebuild Components, Governor, Blue Gear, GM, 4L60, Gasoline Engines, Each

Part Number: SOX-730

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/8/2025

• Free Shipping
• $10 Summit Bucks

Governor, TH350, TH350C, Each

Part Number: SOX-350

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/8/2025

• Free Shipping
• $10 Summit Bucks

Flange Yoke, Aluminum, Each

Part Number: SOX-T3-2-949A

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

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• $10 Summit Bucks

Servo Kit, Billet Aluminum, Ford, C4, C5, Kit

Part Number: SOX-K13259C-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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• $10 Summit Bucks

Automatic Transmission Shift Kits, Zip Kit, with Boost Valve, O-Ring Plugs, Accumulator Pistons, Spring, Sleeves, Ford, 6R140, Kit

Part Number: SOX-6R140-ZIP

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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• $10 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: Monday 12/8/2025

• Free Shipping
• $10 Summit Bucks

Automatic Transmission Rebuild Components, Governor, GM, TH400, White Gear, Each

Part Number: SOX-400

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/8/2025

• Free Shipping
• $10 Summit Bucks

Yoke, T-56, A727, A833, Chromoly, 30-Spline, Spicer 1350 Joint Style, 7.510 in. Length, Each

Part Number: SOX-T3-3-3931HP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025

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• $10 Summit Bucks

10 Clutch Drum, Steel, GM, Powerglide, Kit

Part Number: SOX-28756-15K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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• $10 Summit Bucks

Yoke, C-6, FMX, Transmission, Forged Steel, 31-Spline, Spicer 1330 Joint Style, 6.00 in. Length, Each

Part Number: SOX-T2-3-6041HP

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/8/2025

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• $10 Summit Bucks

Yoke, TH400, 4L80E Transmission, Forged Steel, 32-Spline, Spicer 1330 Joint Style, 6.76 in. Length, Each

Part Number: SOX-T2-3-10831HP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

• Free Shipping
• $10 Summit Bucks

Yoke, AOD, C-4, T-10, T-5 Transmission, Forged Steel, 28-Spline, Spicer 1310 Joint Style, 6.5 in. Length, Each

Part Number: SOX-T2-3-8251HP

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/8/2025

• Free Shipping
• $10 Summit Bucks

Automatic Transmission Rebuild Kit, GM 700R4, 4L60, Kit

Part Number: SOX-SC4L60

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

• Free Shipping
• $10 Summit Bucks

Servo Piston, 2nd Gear Type, Billet Aluminum, Servo Cover, Two PTFE Seals, Ford, C-4, C-5, Kit

Part Number: SOX-K13259C

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/8/2025

• Free Shipping
• $10 Summit Bucks