Accel Super Coil For Harley Twin Cam With Fuel Injection Features ACCEL's famous Super Coil is now available for fuel injected Twin Cam applications Allows faster rise time, higher voltage and maximum spark energy to the plugs Quicker starting and improved idle Crisper throttle response Fits in the stock location Replaces OEM 31743-01 Measures 5 W x 4 H x 4 D Ignition coil, super coil, .5 ohms resistance