NISSAN RB26DETT. High performance nitrided, nano peened PACALOY beehive valve spring and high-grade Titanium retainer kit. This kit was designed specifically by Kelford for RB26DETT engines and we believe it is the best valve spring kit in the world for these engines. _x000D_\n105lb seat pressure at 39.10mm installed height. Coil bind at 27.00mm.
