4R44/55E/5R55E Boost Valve & Sleeve

4R44/55E/5R55E Boost Valve & Sleeve Kit

(Superior K037 Problem Solver)

Click on the box above to view the contents of this kit.

This Steel Series replacement boost valve & sleeve kit gives you a perfectly dialed in ratio slightly higher than the stock valve. This new valve helps eliminate all the problems associated with a worn out stock aluminum valve such as low line pressure, softer shifts and cross leaks. As with all Superior boost valves this valve is made out of 100% hardened steel & made in the U.S.A.

Note to purchasing: Ask for Superior part number K037

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