S&S Cycle 550-0501 HI-4N Performance Ignition for 1984-'99 HD® Big Twins. beanie Machined with an oil pressure

Machined with an oil pressure relief bleed off valve to maintain consistent oil pressure from the time the engine is started to the time it's shut off

this high quality leather will withstand daily and extended use

Single disc Dyna and Sportster models use two kits – one upper and one lower

you'll have power and ground in no time

FBW & 01 FI): Chrome 18-586

S&S Cycle 550-0501 HI-4N Performance Ignition for 1984-'99 HD® Big Twins. beanie Machined with an oil pressureS&S Cycle 550 0501 Fits: 1984 '99 HD Big Twins. HI 4N Ignition only. Install Instructions DownloadFITMENT DISCLAIMER Fitment information is provided as a general reference only and is not guaranteed for any motorcycle, whether stock or modified. Compatibility may vary by year, model, and individual configuration. Customers are responsible for verifying fitment prior to purchase. House of Harley Davidson assumes no liability for purchases made based on