These Lucas-style reproduction coils work with either a 6 volt system (wire the coils in parallel) or 12 volt system (wire the coils in a series)

so you always have a spare

We designed and made an axle spacer kit specifically for use with this wheel when used along with a Lowbrow 39mm Narrow Triple Trees Kit and Harley OEM 39mm Lower Legs

Fits 1955-2006 Harley-Davidson Big Twin models and 1957-2006 Sportster models

Key Details:

#9532-13 Rear Crash Bar Mounting Kit 1936-1957 Harley-Davidson Big Twin - Parkerized Outside Diameter_1.125" These Lucas-style reproduction coils workParkerized, high quality, guaranteed to fit reproduction of original Harley Davidson parts used on all 1936 57 Big Twins OHV SV. Made in Ohio, USA.