FEULING, ENDURANCE BEEHIVE VALVE SPRING KIT. 565" LIFT

Feuling, Endurance Beehive valve spring kit. 565" lift

Installed pressure 134lbs@1.375" (0.405 lift), 103 lbs@1.520" (0.550 lift), coil bind@.920". Direct replacement, installs without machining or rocker box clearancing. High tensile chrome silicone wire with a shot-peened heat treatment and a super NexTex® finish. Kits include springs, lower collars, titanium upper collars, shims, keys and Viton® seals.

Fits: > 17-21 M8