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January 31, 2014

NEW! GM 6L45-6L90 Zip Kit

Target the root cause of multiple shift problems in GM 6L45, 6L50, 6L80 and 6L90 units with the all-new Sonnax Zip Kit 6L45-6L90-ZIP. Containing the perfect combination of uniquely designed parts, this easy-to-install kit will effectively seal critical pressure circuit losses to resolve these issues and get your vehicle back on the road fast. 

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