BERYLIUM VALVE SEAT RING SET 4B11 (TA310A-MT02A) 1709 Upgrading it to a diffuser

Upgrading it to a diffuser is something we would recommend first on any build list for exterior modifications

5 inch (89mm) inside diameter (stock is about 3-1/8 inch

Covers 6-month limited clear coat warranty against defects

which can be removed with an ECU tune

Haltech CAN Ada Cable DTM-4 F to 8 pin Black Tyco 75mm (3")

BERYLIUM VALVE SEAT RING SET 4B11 (TA310A-MT02A) 1709 Upgrading it to a diffuserThe function of which valve sheet is asked, is maintaining air tightness with a valve, and generally wear resistance is required. However, with the engine used by high rotation and high load, the cooling performance of a valve sheet becomes very important further, and it is greatly concerned with an engine output. When engine is high rotation and high load, it is impossible to achieve high output from the engine if cooling performance of the cylinder