Kuryakyn Scorpion Head Bolt Covers For Harley

Factory tappet guides are constructed of plastic and are at risk for allowing the tappets to twist under heavy stress. S&S Tappet Cuffs capture the tappets without impacting vertical motion and keeps them perfectly aligned, even in high stress, high RPM situations.

S&S® Super Stock® cylinder heads cater to 2006-2016 engines, enhancing performance for stock displacement units and excelling with bigger stroker or big bore engines up to 110″. With an 89cc combustion chamber, it strikes a balance between higher compression ratios and manageability, making it ideal for touring bikes and heavy vehicles. It features large 2.000″ intake and 1.605″ exhaust valves for robust low and midrange response, complemented by intake ports flowing 264 cfm. The heads support camshaft installations up to .650″ lift and are compatible with stock rocker boxes, exhaust, and intake manifolds, all while boasting a wrinkle black powder coat finish for aesthetic synergy with stock engine components.