BMW N55/S55 Valves by SuperTech

This Supertech High Performance Valve Kit is expertly designed for BMW N55 and S55 engines, providing an essential cylinder head upgrade for high-performance applications. Engineered to withstand the rigors of demanding performance conditions, these valves enhance durability and reliability, ensuring optimal valvetrain efficiency and engine power output. Renowned among engine builders, Supertech is celebrated for its precision engineering and superior quality. This valve kit is an ideal choice for those seeking to maximize performance in their BMW N55 or S55 engine, delivering the performance reliability that enthusiasts trust.  Factory Valve spec is 32mm Intake / 28mm Exhaust Kit Contents: 12x Intake Valves 12x Exhaust Valves  Intake: Head Diameter: 32mm Material: Stainless Steel 21-4NGroove Type: Single GrooveLength: 104.9mmStem Diameter: 4.97mmBMIVN-1055S-12Exhaust: Head Diameter: 28mm Material: Inconel-Nimonic / Sodium FilledGroove Type: Single GrooveLength: 112.9mmStem Diamete