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Your cart is empty.Corrects/Prevents/Reduces: Fixes Code 1870. Trouble light & Hard 1-2 shift. No lockup or 4th. Fixes harmonic bounce that wears out pump and valves and causes shuttle shifts. Has new design Isolator Valve that works perfect in worn bore w/o special tools or machining.
mypenisbig
Reviewed in Canada on August 25, 2021
bought this kit to go along with rebuilding my fathers 4L60 trans in his 05 silverado. im a gm tech and have rebuilt dozens of these transmissions over the years. this kit drastically improved the shifting of this truck. great product, easy install if you have done any transmission work before or can follow directions easily.
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