Supertech Black Nitride Intake Valve - Single | 2017+ Honda Civic Type-R (HIVN-1060D)

2017+ Honda Civic Type-R Black Nitride Intake Valve by Supertech Supertech intake valves are made exclusively from an enhanced versions of EV8 (21-4N) steel. This is the highest grade of steel available and provides the strength to withstand just about any application. Features Head Diam: 35mm Material: Stainless Steel 21-4N Groove Type: Single Groove Length: 117.25mm Stem Diam: 5.48mm Back-cut angle Undercut stem One piece forged valve (non-magnetic) Magnetic friction welded wafer, Hardened to 52 HRC min Black Nitride for superior hardness keeping core ductility “Superfinish” valve stem with a surface roughness of about 1/3 of a regular valve Benefits Less Friction Better Flow Rates Better Sealing Improves durability and reduces carbon build up Applications 2017-present Honda Civic Type R What's In The Box? 1 - Intake Valve Warranty Due to the nature of the application, these parts are sold without any express warranty or any implied warranty of merchantability, or fitnes