Seller notes

GM 4T60-E and 4T65-E shift valves have changed materials over the years, starting with steel, changing to silver-colored uncoated raw aluminum and finally anodized aluminum. These units can have a combination of these materials with the silver-colored uncoated raw aluminum being especially problematic due to scoring/scratching and intermittent sticking. Sonnax 2-3 shift valve 84754-36K eliminates surface wear and reduces valve hang-up. Hardcoat anodized aluminum valve combats premature wear Annu...

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