Intended for intensive use and designed to withstand extreme pressures, temperatures, rotations and powers, this Supertech kit of 12 intake valves and 12 exhaust valves is available with original diameter allowing direct installation on standard engine or 0.5mm larger for installation in machined heads. Specific to the S54 engines fitted to the BMW M3 E46 S54, these 24 Supertech reinforced engine valves are made of iconel / sodium on the exhaust side in order to reduce temperatures as much as possible and made of 21-4N stainless steel on the intake side for flawless resistance to pressure.

- Select your diameter -

Direct bolt on (OEM diameter)

24 valves kit (intake and exhaust)

Made of inconel / sodium (exhaust) and 21-4N stainless steel (intake)

OEM size or +0.5mm (machined head) to select

Diameter intake : head 5mm (OEM) / stern 5,97mm

Diameter exhaust : head 30.5mm (OEM) / stern 5,95mm

Overall Length : intake 117.38mm / exhaust 118.85mm