Product Description
4L60E 4L65E 4L70E HD Steel Boost Valve & Sleeve by Superior Transmission Parts
1993-2004
This part repalces worn out OE aluminum valves and is made of hardened steel to resist wear. Proper tolerance is assure at bore and mating surfaces.
Superior Transmission Parts # STP-K021
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Big time upgrade.
It's definitely a heavy duty replacement. It got here quick and went right in. The snap ring is a pain in the hind end though.