and Green Spring Rated -12 to -8 InHg (installed)

This Improved 'working ratio' is achieved through an increase to the effective surface area of the diaphragm & revisions to the actual springs fitted resulting in greater leverage of the forces the actuator is working against (boost and backpressure) while still being super-responsive

which in turn requires top level driving skill and ability to adapt to a new setup

\n\nThe Kompact EM Valve Series from Turbosmart takes the motorsport proven billet valve technology and adds an onboard proprietary solenoid system and internal pressure control channels for a simple plug & play valve with full OE integration and control

boost by time

Concaver CVR1 22x9,5 ET57 5x130 Carbon Graphite VSR7 and Green Spring Rated -12PCD: 5x130 ET: 57