Supertech Mazda Miata 1.8L Black Nitrided Intake Valve - Set of 8 2015-nissan-pathfinder-esi5382163 We have adopted this technology

We have adopted this technology for the IE HPFP as it has proven to be reliable for thousands of miles and cannot chip or flake off like coated components

Fitment: Direct replacement for the OEM engine cover on 2020+ C8 Corvette Stingray models

This will result poor heat exchange and high inlet temps

Made in the USA — Radium Engineering quality throughout

GRAFAL skirt coating greatly reduces the skirt to wall surface friction and increases scuffing resistance

Supertech Mazda Miata 1.8L Black Nitrided Intake Valve - Set of 8 2015-nissan-pathfinder-esi5382163 We have adopted this technologySupertech Mazda Miata 1. 8L Black Nitrided Intake Valve Set of 8