S&S CYCLE Camshaft - 590C - Chain Drive - M8 330-0730

Camshaft - 590C - Chain Drive - M8 All-out horsepower cam for 124 and larger engines, Designed specifically for use with monster bores and ported heads (not recommended for stock bore engines), Requires adjustable pushrods and heavy-duty valve springs, Kits include all required bearings, O-rings and hardware, Made in the U.S.A.