Supertech BMW M3 S54 Black Nitrided Intake Valve - +1.0mm Oversize - Set of 12 | Multiple BMW Fitments (BMIVN-1045S-12)

BMW S54B32 Black Nitride Intake Valves 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: 36.00mm (+1.0) Material: Stainless Steel 21-4N Groove Type: Single Groove Length: 117.38mm Stem Diam: 5.97mm 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 2000–2006 BMW E46 M3 2000–2002 BMW E36/7 Z3 M Roadster, E36/8 M Coupé 2006–2008 BMW E85 Z4 M Roadster, E86 Z4 M Coupé What's In The Box? 12 - Intake Valves Warranty Due to the nature of the application, these parts are sold without any express warranty or any implied warranty of merchantability, or fitness for a particular purpose.