KVS1855-BT - 105lb seat pressure at 39.10mm installed height. Coil bind at 27.00mm.
Nissan RB26DETT. High performance nitrided, nano peened PACALOY™ beehive valve spring and high-grade Titanium retainer kit.
KVS26-BT - 125lb seat pressure. 244lbs at 11.0mm valve lift Extreme Beehive Valve Spring and Titanium Retainer kit for Nissan RB26DETT engine. Designed for extreme boost and high RPM racing. Made from ultra clean Silicon Chrome spring steel with a higher fatigue resistance compared to other spring steels. Heat treating and post processing is the highest quality available. High frequency spring design to reduce spring surge at high operating RPM. This kit is designed for the most powerful RB engines on the planet.
