S&S CYCLE Camshaft Kit 590G Gear Drive M8 3300732

Designed specifically for use with monster bores and ported heads (not recommended for stock bore engines). Improves cam timing accuracy and eliminates the stock cam chain. All-out horsepower cam for 124” and larger engines. Touring models require heavy duty valve spring kit. Requires Quikee adjustable pushrods with cover keepers. Kit includes outer drive gears, bearings, o-rings, and hardware. Tappets should be replaced every time that the cam is replaced, S&S suggest Precision Tappet set without HL2T Kit and Tappet Cuffs for M8 models.. Made in the USA