The Phazer has a conservative air to fuel ratio from the factory about 11.5 to 1. Optimum is 12.5 to 1 for performance. Automobiles are in the 14 to 1 range, which is on the lean side for fuel mileage. This kit will change your fuel pressure to optimize fuel delivery for altitude and modifications. Increases 4 horsepower, torque, throttle response and fuel mileage. SBM exhaust and cold air intake modules work great with this combination.

Kit comes with fuel pressure regulator and instructions.

Price: $149.99