Tomei Valve Seats Nissan RB26DETT

  BERYLIUM VALVE SEAT RING APPLICATION IN/EX PART NO. MATERIAL NOTES Beryllium RB26 DETT SET TA310A-NS05A IN:12, EX:12 IN TA310B-NS05A EX TA310C-NS05A       The 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 is low and knock limit does not become high, since the temperature of the circumference of a cylinder head rises unusually. In racing engine that temperature needed to be carefully controlled