Recover hydraulic control and renew line pressure performance by installing Sonnax oversized main pressure regulator valve kits #105740-20K for GM 10L60/80/90 (Gen. 1) and Ford 10R60/80/90/140 transmissions and #105740-21K for GM 10L60/80/90 (Gen. 2) transmissions. Additionally, renew TCC performance by installing Sonnax TCC priority valve kit 105740-03K for GM 10L60/80/90 (Gen. 1 and 2) and Ford 10R60/80/90 transmissions.
For more information, visit: www.sonnax.com
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