Turbosmart BOV Kompact Shortie Plumb Back - 2016 Ford Focus RS 2.3L j-series Brian Crower Theta Valve Guides

Brian Crower Theta Valve Guides - Mitsubishi Evo X (4B11T) / Hyundai Genesis (G4KF)

A stepped drill bit works well for doing this

GSC P-D 4G63T Evo 1-9 / 90-98 DSM Chrome Polished Intake Valve - 35mm Head (+1mm) - SET 8

1999-2002 Infiniti G20 T 1995-1998 Nissan 200SX SE-R 1991-1993

For a 3/8" NPT sensor option see Derale part number 16749

Turbosmart BOV Kompact Shortie Plumb Back - 2016 Ford Focus RS 2.3L j-series Brian Crower Theta Valve GuidesWhen Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensure our products created a new standard. More hand crafted than mass produced, Turbosmart products quickly gained acceptance within the performance community for their quality and reliability. Coupled with extraordinary service and after sales support, Turbosmart quickly became one of the most sought after