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. 105lb seat pressure at 39.10mm installed height. Coil bind at 27.00mm.
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