ATI’s New OEM Style Solid Pressure Regulator and Boost Valve Kit for T400 Pumps - Engine Builder Magazine

ATI’s New OEM Style Solid Pressure Regulator and Boost Valve Kit for T400 Pumps

ATI Performance Products is proud to introduce its new, American made, OEM style solid pressure regulator valve for T400 pumps – Part # 405012 – and a high flow OEM style, boost valve kit – Part #405136. Both parts are new OEM style replacements and will work with OEM and aftermarket mating parts with no modifications. These new parts will save you from having to reuse or look for commonly worn-out parts in your T400 overhauls or new builds. 

The Pressure Regulator valve works in 1971 and up, “squared off”, pressure regulator casting boss pump halves. The new valve is solid. This part helps cure high and uncontrollable line pressure, slow reverse engagement and slow converter feed. 

The Boost Valve kit will not change your line pressure as it has slots just like the OEM parts. This part helps cure soft shifts, slow line pressure rise and reverse issues. The inside spool valve diameters also remain OEM size for great drop in performance.

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