WMI Pump Upper Housing Upgrade (4AN)

Convert your pump to work with 3/8 fittings and enjoy convenient expansion possibilities plus superior intake flow capacity. This part fits water/meth pumps from all vendors using Aquatec pumps with seven screw attachment points. Pressure adjustments will be required using a 1/16" Allen key. Do that with our famous Tuner's Pressure Gauge.

Once converted to a 3/8" threaded top, USRT's high-performance plumbing solutions may be installed. See the Pump Filtered Outlet, for example:

Satisfy your beast with a DEEP THIRST Inlet, too. This is done in 6AN for zero intake restriction: