Performance cams designed by Andrews for XL 883, and 1200 Evolution 91-99 and Buell 94-99 models
Cams run up to 6000 rpm with stock hydraulic lifters; for this reason, it is recommended that solids NOT be installed
N4 is for stock or modified applications, have a slightly higher idle speed, can be used w/ stock hydraulic lifters and springs, and have 2500 - 6000 rpm range
Stock base circle sizes so stock pushrods can be used