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Features -For stock tires at low elevation. -Helps recover losses incurred from installing oversized tires. -Great improvement in acceleration & helps with back shifting to proper ratio under load conditions. -Better belt grip for oversized tires. -Improves throttle response for acceptable leves in performance after the addition of heavier tires. -Works well to re-calibrate the shift pattern for higher elevations even with stock tires. -The new "baby V-twin" comes from factory with flyweights that are well suited to its application. -Re-calibrations are accomplished with the use of new springs. -Optional engagement spacer to use withthe stock primary spring and/or the provided primary spring. -The use of this kit does not hurt top speed when used as instructed for the proper application.
Specifications and Options