S&S CYCLE

Big Bore Kit:Bolt on kit. No case machining required4.250" boreForged pistons11.1: compression ratioOil Pump/Cam PlatePrecision machined from billet aluminumPassage plugs removable for...

Big Bore Kit:Bolt on kit. No case machining required4.250" boreForged pistons11.1: compression ratioOil Pump/Cam PlatePrecision machined from billet aluminumPassage plugs removable for...

Big Bore Kit:Bolt on kit. No case machining required4.250" boreForged pistons11.1: compression ratioOil Pump/Cam PlatePrecision machined from billet aluminumPassage plugs removable for...

Big Bore Kit:Bolt on kit. No case machining required4.250" boreForged pistons11.1: compression ratioOil Pump/Cam PlatePrecision machined from billet aluminumPassage plugs removable for...

Big Bore Kit:Bolt on kit. No case machining required4.250" boreForged pistons11.1: compression ratioOil Pump/Cam PlatePrecision machined from billet aluminumPassage plugs removable for...

Big Bore Kit:114" to 128" Big Bore KitBlack Granite FinishHighlighted FinsNo case machining required4.250" boreForged Pistons11.1:1 Compression RatioOil Pump/Cam Plate:Precision Machined from Billet...

Big Bore Kit:114" to 128" Big Bore KitBlack Granite FinishHighlighted FinsNo case machining required4.250" boreForged Pistons11.1:1 Compression RatioOil Pump/Cam Plate:Precision Machined from Billet...

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...

S&S Cycle 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 310-1223

S&S Cycle 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 310-1225

S&S Cycle 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8 310-1226

S&S Cycle 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8 310-1224