Valve seals are often overlooked in the "performance" area of your build. In many cases, OEM is just fine. However in higher output setups, you're putting the valve seal material through conditions that it wasn't intended for. This is where Viton Fluoroelastomer Valve Seals have a home - High temperature and friction tolerance!

Fitment:

MZR 1.8,2.0,2.3,2.5

Duratec 2.3,2.5

Includes:

Complete set of intake and exhaust valve seals (x16)