BERYLIUM VALVE SEAT RING SET 4B11 (TA310A-MT02A) 1709 Constructed from high-quality 14-16ga C

Constructed from high-quality 14-16ga C

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

Power assisted wrenches may damage them

Minor fitment adjustments may be necessary due to the nature of aftermarket components

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

BERYLIUM VALVE SEAT RING SET 4B11 (TA310A-MT02A) 1709 Constructed from high-quality 14-16ga CThe 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