High performance stock size Black Diamond valve & Beehive spring kit

$339.00

Out-performs others because these springs are approx 1/2 the weight of dual springs and that raises your RPM limit and takes stress & heat off your motor. Cam flex is reduced and saved HP goes to the rear wheel. The conical shape eliminates the need for an inner spring and allows for a smaller lighter retainer. Longer spring length gives you a better linear rate than shorter springs. Includes black diamond valves, stellite tips, beehive springs, titanium spring retainers, spring seats and spring balancing shims. Thicker spring seats (.065″ or .1″) are available on request if the shoulder of the guide is too short for the amount of shims you are using (more info).  Contact us for smaller Domni valves (same price).

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