BERYLIUM VALVE SEAT RING SET 4B11 (TA310A-MT02A) 1709 which can be removed with

which can be removed with an ECU tune

Constructed from high-quality 14-16ga C

(1) tail pipe CA (Part Number TP-NIZ34-C)

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

BERYLIUM VALVE SEAT RING SET 4B11 (TA310A-MT02A) 1709 which can be removed withThe 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