Supertech Black Nitride Intake Valves for Focus RS Select::Intake 32.5mm (Set of 8) (FIVN-2501D-8) and are HP and KW

and are HP and KW at the engine

Fits all STM front drag brake kits

combining high grade silicone and heat-resistant embedded fibers to provide efficient heat reduction and increased pressure tolerance

740902-00355

Supertech Black Nitride Intake Valves for Focus RS Select::Intake 32.5mm (Set of 8) (FIVN-2501D-8) and are HP and KWSupertech black nitride intake valves for 2016 2018 Focus RS MK3. These valves are available in various sizes to match your head diameter. Sold as a set of 8 or individually as needed. Please do all your research and consult your engine builder if necessary! Black nitride valves are made from one piece forged stainless steel then go through a special hardening process to lessen the friction between the valve and guide. Vehicle Fitment: 2016 2018 Ford