Sonnax Transmission Company Parts and Accessories

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: Tomorrow

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• $10 Summit Bucks

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

Part Number: SOX-T35-GMFD-01K

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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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: Tomorrow

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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: Tomorrow

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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: Tomorrow

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Vacuum Test Stand Kit, Brass Needle Valve, Test Plate, Push-to-Connect Fittings, Testing Tip Adapter Tube, Sold as a Kit

Part Number: SOX-VACTEST-01K

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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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: Tomorrow

• Core Charge $75.00
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Servo, Externally Adjustable Low/Reverse, Aluminum, Blue Anodized, GM, TH400, Kit

Part Number: SOX-34914-20K

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

Part Number: SOX-74678L-HD

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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: Tomorrow

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Yoke, 6-Bolt Adapter Flange Yoke, Tremec TR-6060, Chrysler 210mm Differential, Each

Part Number: SOX-T35ALFY07

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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

Part Number: SOX-HP-4L80E-01

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Part Number: SOX-34555-01K

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Servo, Externally Adjustable Low/Reverse, Aluminum, Blue Anodized, GM, 4L80-E, 4L85-E, Kit

Part Number: SOX-34914-28K

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Estimated Ship Date: Tomorrow

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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: Tomorrow

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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: Tomorrow

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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: Tomorrow

• $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: Tomorrow

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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: Tomorrow

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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: Tomorrow

• $10 Summit Bucks

Yoke, TH400 Transmission, Chromoly, 32-Spline, Spicer 1350 Joint Style, 8.810 in. Overall Length, Each

Part Number: SOX-T3-3-5551HP

4.33 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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Yoke, Slip Type, 31-spline, Chromoly, 5.47 in. Overall Length, Spicer 1350, At Transmission Yoke Position, Tremec Magnum-F, Each

Part Number: SOX-T3-3-2491S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Flange Yoke, 6-Bolt Adapter Flange Yoke, Spicer 1350, Aluminum, Ford, Mustang, Each

Part Number: SOX-T35ALFY-10

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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• $10 Summit Bucks

INTERMEDIATE SHAFT

Part Number: SOX-10468036

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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• $10 Summit Bucks