1 results for harley davidson street performance exhaust found in 0.000 seconds

s&s performance guide see your s&s dealer s&s 510c bolt ... is designed to be used with the stock harley-davidson chain drive system and is an economical ... way to improve the performance of stock and slightly modified street ... valve timing open/close intake 20°/38° exhaust 52°/20° valve duration intake 238° ... exhaust 252° .510 valve lift intake 99° ... centerline exhaust 106° intake .187 lift tdc exhaust . ... more information s&s® cams for 1986 03 harley-davidson® sportster® and buell® models cam name s ... valve timing1 open/close intake 34°/50° exhaust 56°/28° valve duration intake 264° ... exhaust 264° valve lift lift tdc2 intake .241 ... exhaust .212 spring spacing required yes ...