Roller Rocker Cam set
The Koso Roller cam is the latest in zuma engine performance for a real boost in rpm performance to your engine. The Koso Roller Cam comes in two sizes the 230 and the 240. The 240 is geared for larger engine sets with a larger lobe to allow the pushrods to stay open longer for max performance and higher rpm achievment. Both cams are an excelent choice and a monster step up in perfromance when doing mods to your zuma.