Install a HI-4N Ignition Kit from S&S for reduced vibration, improved heat dissipation, and increased reliability. Featuring a one-piece, machined aluminum housing, the HI-4N kit’s module houses both single and dual-fire functions with an improved kick start algorithm design. With this kit, you can make adjustments to mode, advance rate, and rev limit with BCD switches. The S&S HI-4N Ignition Kit includes Crane Cams single-fire coil and plug wires. It’s made in the USA for a variety of
70-99 Harley-Davidson Big Twin models.
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