Turbosmart Kompact EM BOV VR4 Dual Port (Order in) 5 Stud 56") Hole pattern M6 -

56")  Hole pattern M6 - CC 156mm (6

other springs are available and these springs can not be used (available here)

-- oval to circle transition piece sold separately to adapt to 3" circle tube

low-profile

These are not needed on stock S13 differential

Turbosmart Kompact EM BOV VR4 Dual Port (Order in) 5 Stud 56") Hole pattern M6 -*NOTE* This product is not currently stocked in store, takes 2 5 working days to get in Listing is for: Kompact EM Series Diverter Valve 3 x M6 Fasteners Turbosmart Decal The Multiple Award winning Kompact EM Series of Upgraded Diverter Valves are the worlds first genuine plug and play Upgrade solution for your factory diverter valve. Unplug and unbolt your OEM Valve, and install a Kompact EM Valve. No adaptors, hoses or extra assembly are required.