PRofec B-spec The B-spec is the ultimate in economical, simple to use electronic boost controllers. With 2 dial in presets and a wastegate-response balance knob, this unit uses a reliable dual solenoid valve system to raise both boost pressure and response.   Available in black or clear blue head units, the B-spec also works for actuator and external wastegate set-ups. Is is also ideas for sequential turbo vehicles.

PRofec B-spec
Part #	Description	Price	Buy Now
15500202	PRofec B-spec	-	We no longer carry Greddy products
15500204	PRofec B-spec (Clear Blue)	-	We no longer carry Greddy products