Haltech boost control solenoids

Haltech’s boost control solenoid sits in the wastegate signal line and is pulsed by the ECU’s boost control. Use the 3-port for a single-port wastegate and the 4-port to act on both sides of a twin-port gate.

Ratings are Haltech’s published figures. Haltech has no 993 plug-in harness, so a 993 installation is wired in on a universal harness; Haltech sells its engine management for sanctioned off-road and competition use.