S13 kit is for the 4 lug spindle

\n The Multiple Award-winning Kompact EM Series of Upgraded Blow Off Valves are the world’s first truly plug and play Upgrade solution for your factory diverter valve

Anodised 6000 series billet Aluminium Body & Valve

which allows you to increase the grip even more and add some extra speed to your car

Clock-able actuator positions (2 x 120 Deg options)

OPR V2 Turbo Oil Pressure Regulator JR15 S13 kit is for theTurbosmart's ALL NEW from 2022 OPR V2 Turbocharger Oil Pressure Regulator provides rock solid oil pressure for your turbocharger from a simple, inline return less regulator and includes a built in 44 Micron Stainless Steel Mesh Oil Filter. The Turbosmart OPR V2 is a World First Return Less Regulator which achieves target oil pressure through Turbosmart's Patent Pending flow control strategy, to delivery a laminar flow of oil to your turbocharger, no