What are the differences between camshafts?
There are several factors that go into creating a camshaft. The three most common specifications of interest are lift, duration and ramp profiles. In general, the number of the cam relates to the duration (in degrees) of the cam profile. Often, this number and the lift does not reference the valve clearance/lash or rocker arm ratio if present. For this reason, one company can make a 250 cam that is more aggressive than a 260 cam from another company. So, in the end, its also about whos got the bigger number and not necessarily performance. Other important factors that go into camshaft design and manufacturing are the raw materials, heat treatment, coatings and precise grinding methods to ensure long term reliability and consistency from shaft to shaft. WORKS strict manufacturing and Quality Control procedures deliver the best cams available for U.S. EVOs.
