S&S 600 cams for 1986-'90 HD® Sportster® models. The standard cam included in 4" bore S&S engines. For engines larger than 89" with 9.5:1 to 10.5:1 compression ratio and S&S heads. Great addition to a S&S 103" Sidewinder® kit. Requires adjustable pushrods, crankcase clearancing and high lift valve springs. 3500-6500 rpm.
Not legal for sale or use on CA or EPA pollution controlled motorcycles.