Manley Race Flo 37mm Intake Valve Set For Subaru WRX / STI (8). Manley Intake valves are made from NK-842 Stainless, are Swirl Polished, Fully Machined, feature Chrome Stems and Hard Tips.
Type: Intake Head Diameter: 37mm Stem Diameter: 6.0mm/.2362" Installed Height: Stock Overall Length: 104.6mm Tip Length: 3.5mm Underhead Angle/Radius Pro Flo 22 x 5/16" Margin .050 Seat Width .080 Top Of Head 17 Dish