1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 IGNITION

Part Number: 53-458

IGNITION - Part Number 53-458
FireBall external mount multi-spark ignition features an improved adjustable spark advance curve. The technology improves start-up, clean idling and quicker off-idle response. It may be used with the stock H-D dual fire coil, part No. 53-369 Crane dual fire replacement coil, or for maximum performance, part No. 53-377 Crane single file coil. The HI-4E also features an adjustable rev limit that can be adjusted from 500 to 9,900 RPM, in 100 RPM increments. An added feature allows easy rear cylinder timing offset. Easily installed in the stock location. The housing is made from black anodized billet aluminum. No harness replacement required 1991 & later bikes. (1984 thru 1990 requires H-D #32408-90 harness kit.)
Crane Cams Fireball HI-4E 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974

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