Instead of the steel brazed-in hard oil return lines used on stock tins

550" lift cams

23-24 CVO with 121" engine)

OEM replacement reference 45917-86 and 45916-86

Note: Crankcases come with 48-99 engine mounts and will not fit OEM Knucklehead frames

DYNOJET POWER COMMANDER V Twin Cam Instead of the steel brazed-inThis fuel injection module is just (3 1 4" 83mm wide x 2 1 4" 57mm high) and works in conjunction with the stock ECU unit. No need for permanent changes. It will make the fuel system and the ignition fully programmable. During cold start up the Power Commander can read the exact engine temperature through the bike's own ECU, which allows the tuner to choose how much fuel to add for a given engine temperature. Big Inch modified bikes should be easier