Finally, all the benefits of a copper gasket without the need to machine and O-Ring your block and head!
Has built in coolant seals so there wont be any leakage or messy silicone. Integral combustion wire seal around each cylinder prevents compression loss between cylinders.
Incorporates steel wire combustion seal around cylinder.
Perfect for those boosting. 100% Reuseable.
Used by the Bergenholtz brothers in their 300 HP NA Duratec and 900 HP Turbo Duratec Mazda 3’s.
Made in USA!