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Sonnax Transmission Company

Sonnax Super-Hold Servo Kits

4.84 out of 5 stars 25 Customer Reviews

Sonnax Super-Hold servo kits offer increased apply area over the OEM servo for more holding force between shifts. They are manufactured from anodized aluminum and include mounting seals and hardware for your specific transmission model. Their improved seal design will conserve pump volume.

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Sonnax Super-Hold Servo Kits 77911-03K

Sonnax Super-Hold Servo Kits 77911-03K

Sonnax Super-Hold Servo Kits 77911-03K

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

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Estimated Ship Date: Monday 11/10/2025

Sonnax Super-Hold Servo Kits 77767K

Sonnax Super-Hold Servo Kits 77767K

Sonnax Super-Hold Servo Kits 77767K

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

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Estimated Ship Date: Monday 11/10/2025

Sonnax Super-Hold Servo Kits K65703

Sonnax Super-Hold Servo Kits K65703

Sonnax Super-Hold Servo Kits K65703

Servo, Super-Hold, 2nd Gear, Billet Aluminum, GM, 200-4R, TH200, TH200C, Kit

Part Number: SOX-K65703

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

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