Tomei Valve Seat Rings for 4B11 Mitsubishi Evo X (TA310A-MT02A) S&B "Seibon Carbon components are meticulously

"Seibon Carbon components are meticulously hand-crafted from the finest materials

These pistons boast tighter clearances

• 120-240°F

This item will only fit Ford F-150 Raptor

Tomei Valve Seat Rings for 4B11 Mitsubishi Evo X (TA310A-MT02A) S&B "Seibon Carbon components are meticulouslyTomei valve seat rings for the EvoX are crafted to efficiently dissipate heat in the 4B11T engine, preventing cracks. Achieving high engine output under intense rotation and load is challenging without adequate cylinder cooling, resulting in high cylinder head temperatures and a lower knock limit. Racing engines employ high conductivity metals like copper for valve seats to handle heat. Beryllium copper alloy (BeCu) is chosen for its strength, fatigue