Add to Cart Quick view S&S Cycle 129" Big Bore Cylinder Kit - Black - M8 910-0844 S&S CYCLE MSRP: $1,722.44 Now: $1,377.95 Was: Huge bore increase (4.320") means huge power increaseRetains stock engine heightPowder coat finish match factory finish, giving the bike a “sleeper” advantageWorks with stock crankcasesMLS...