Beehive Valve spring set with titanium retainers. Install the long spring on the intake side and short spring on the exhaust. Intake; 36.25 installed height, 88lb closed pressure. 188lb at 11mm lift. 24mm coil bind height.

Exhaust; 33.15mm installed height, 88lb closed pressure. 188lb at 11mm lift. 21mm coil bind height.

In most common motorsport applications the various Kelford camshafts and their valve-spring solution is stable to 9000rpm without experiencing any valve-train harmonic issues. For the few that wish to run the motors at extreme boost (over 3bar) and rpm levels beyond 9000, Kelford offer to tailor make a solution for your individual requirements.