Cams run to 6500 rpm with stock hydraulic lifters; recommend solids not be installed
Stock base circle sizes allow the use of stock pushrods
V2 and N2 are bolt-in cams for stock applications designed for up to 6000 rpm
N3 cams are bolt-in for 05-10 883/1200 engines with stock springs and heads (cams for 04-06 models with more than .465 lift may need different valves, springs and collars)
V4 and N4 are for stock or modified applications and have a slightly higher idle speed, but can be used with stock hydraulic lifters and springs; rpm range of 2500-6500
V6 and N6 designed for modified 1200s to 80 and/or high compression pistons: stock springs and hydraulic lifters recommended; rpm range 2500-6500
V8 and N8 designed for modified 883, 1100 and 1200 stroker models; stock springs and hydraulic lifters recommended; rpm range 2000-6000
N6 designed for modified 1200s to 80 and/or high-compression pistons: stock springs and hydraulic lifters recommended; rpm range 2500-6500
N8 designed for modified 883, 1100 and 1200 stroker models; stock springs and hydraulic lifters recommended; rpm range 2000-6000
B50 designed for more valve lift and duration; stock hydraulics and springs; more power and torque 2000 to 6000 rpm
B70 designed for high lift in modified motors; works best with high compression; more torque and HP 2400 to 6500+ rpm