Buddy Club K-Series Camshafts are produced with new blank cast cores to ensure strength and flexibility to take advantage of their patent pending Lobe Forming Technology to truly optimize the primary and VTEC cam lobes. The camshafts are designed to accommodate a wide range of compression ratios from 10.0:1 to 13+. They are designed to provde a smooth and constant power especially in the low and mid range areas and throughout the rest of the power band.