S&S HI-4N Nose Cone Ignition Module. Fits Big Twin 1970-1999 & Sportster 1971-1997.

Description

Features & Benefits:-

* A performance ignition for the serious race or street performance enthusiast that demands the best in function and reliability.

* This ignition allows fine tuning to match the ignition requirements for race or street use.

* The entire unit fits in the nose cone with no inconvenient external module.

* Adjustable advance curve, adjustable rev limiter & independent rear cylinder timing are included to maximize performance.

* The static timing