These primary chains are made in England by Reynolds

Race and Track Day use 1500cc

Size: 7/16 inside diameter x 1/2 inch length

and this allows easy assembly that tightens up nicely in place as the temperatures even out

G5 Magneto for Big Twin Harley Davidsons 1936 - 1969 - Brushed Finish Subcategory_Ignition Systems These primary chains are madeWhen building a chopper, custom, or bobber you want to keep everything tight and minimal as possible. A magneto allows you to run your bike without a battery, eliminating a ton of extra wiring and components. Morris G5 Magneto for Big Twin Harley Davidsons 1936 1969 The Morris 5 series of impulse coupled magnetos offer incredible starts. Fully automatic and compatible with kick or electric start. Here's the secret to how they work A spring winds up,