STM Billet Welding Purge Block for DSM Throttle Body Flange Matrix Concepts The OEM venturi jet pump

The OEM venturi jet pump in the return line creates a restriction with the stock EVO X fuel pump module

• Not compatible with Multi-Plate twin or triple kits

This piece bolts up to the STM RS3 downpipe and allows you to remove the entire exhaust from there back

A higher radiator coolant pressure effectively raises the boiling temperature of the coolant

• Aggressive 4

STM Billet Welding Purge Block for DSM Throttle Body Flange Matrix Concepts The OEM venturi jet pumpThe STM billet purge clamping block for DSM Evo 1 2 3 throttle body flanges allows us to securely bolt a flange and easily evacuate oxygen while welding to ensure a clean, solid weld and prevent warping. The aluminum block helps draw heat away from the flange while welding and you can bolt the flange securely to the block to prevent warping. Comes with 1 8" NPT threads to accept your purge fittings. These are the same purge blocks our fabricators use