S&S Crane Cams HI-4N HI4N Single Fire Ignition Module Harley Evo Shovelhead XL

Description

BRAND NEW
S&S acquired Crane and the new part number is
550-0501 which replaces
8-6100 or 461704 or 2101-0265
All the same contents as pictured but with S&S branding
Single-Fire ignition capable of adjusting the rear cylinder timing +/- 5 degrees
Give your machine more kick
Dyno-proven power gains with aggressive ignition curves
Immediately fires the first cylinder on kickers and reduces kick-back and strain on electric start systems
Electronically adjustable advance allows timing based on engine modifications, operating conditions and gasoline; also utilizes stock VOES unit when applicable
Sealed electronic protection circuits protect from high-temperature, short circuits, coil failure and wiring errors
Rev limiter adjusts from 4000 to 8000 rpm; tach output accurate even at rev limits
Includes timing LED for static timing and diagnostic information
Designed for use with single or dual plug head (use suppression or spiral core wires)
Spiral core wires are recommended for maximum performance (do not use solid copper spark plug wires; they may cause interference with ignition system and accessories)
Entire unit fits under the point cover on EVO and Shovelhead Big Twins and Sportsters through 01 except Twin Cam 88
Systems utilize 1984-1999 OEM pick-up rotor; on pre-1984 models you will need to purchase OEM NO. 32402-83 pick-up rotor
Coils must have at least 2 ohms primary resistance
Order coils separately
Made in the U.S.A.
Fits 1970-1999 Evolution and Shovelhead Engines / Motors 74" 80" 1200 1340. Also fits Sportster XL but not all years and models.
NOTE
:
When using dual-plug heads, specific dual plug coils required