High output Ignition Coil Harley Twin Cam Delphi EFI 01-11 Touring Softail DynaHigh output Ignition Coil Harley Twin Cam Delphi EFI 01 11 Touring Softail Dyna twin tec part # 2009 Direct replacement for 2001 2011 Twin Cam with Delphi EFI (replaces OE P N 31743 01)NOTE: Do NOT USE on coil P N 2009 on 2001 Twin Cam with Magneti Marelli EFI. 2008 2009 Coils are compatible with ALL Daytona Twin Tec TC88 and TC88A Ignition Systems (1008 1009). They can also be used on other systems that can utilize 1 2 ohm coil resistance. Greater