Camshaft Kit – 590G – Gear Drive – M8

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