S&S Twin Cam Style 124" Long Blocks

• Available for carbureted and fuel injected motorcycles
• Is is recommended that the fuel system of an S&S Long Block be matched to the fuel system that the motorcycle was originally equipped with
• The super G carb is recommended for most street applications and is equipped with the distinctive, slotted S&S "Desperado" air cleaner for good looks and improved performance
• All carbureted Twin Cam style engines include the S&S IST ignition system
• The IST ignition system uses knock sensing to automatically optimize ignition timing under all driving conditions
• The exclusive knock sensing feature also allows the IST ignition system to protect the engine from damage by automatically controlling knock and denotation
• These engines come with a 12-month manufacturer's warranty

49-9995 natural finish carbureted models
49-9996 black finish carbureted models
49-9997 natural finish fuel injected models
49-9998 black finish fuel injected models