6mm spline

the Turbosmart Kompact BOV suits the new generation Honda VTEC Turbo engines found in the Civic RS & Civic Si (1

Perfect fit under OE E46 fender with 18x8

not when a computer decides they should

or the quieter and OEM-like operation of the Plumb Back

BOV Vee Port Pro Uni -Blue JR39 6mm splineRedesigned from the ground up, the new Vee Port PRO is 20% smaller and 33% lighter than its predecessor. Featuring a hard anodized aluminium piston, the new Vee Port PRO offers high flow capabilities in a lighter, more compact package. Some applications my require a BOV Adapter or fitting. SUPPLIED WITH: 38mm alloy hose weld on adapter, V Band clamp, 360 degree swivel vacuum fitting, and White Spring rated 21 to 19 InHg (installed).