4 & 6 Cyl Distributor Trigger Housing
NOTE: Requires the STEEL TRIGGER DISK included.
Fits most 1970-79 4 and 6 cylinder engines.
Replaces OEM #:
- Mercury 332-4177A 3
- Mercury 393-3736A 3
- Mercury 393-3736A23
- Mercury 393-3736A77
- Mercury 393-3736A79
Unit includes the 4 & 6 cylinder trigger disks, oversize spacer, bearings, snap ring and instructions. Improved design uses Hall Effect technology for improved performance and ease of installation (Removeable disk cap is replaceable)
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