Mercury - Blkdia 14 1/4r21 - QA3018H2 MerCruiser 5.0L/5.7L TKS Bravo Service Parts Fine thread insures sealing under

Fine thread insures sealing under high vibration and prevents cross threading

Made from premium magnesium alloy

aluminum and other marine metals

The Mercury Non-DTS Ignition Harness Adapter is designed for mechanical control setups where a fourteen-pin boat-side ignition harness must connect to an eight-pin engine ignition port on older outboards

Hole-shot performance feels sharper

Mercury - Blkdia 14 1/4r21 - QA3018H2 MerCruiser 5.0L/5.7L TKS Bravo Service Parts Fine thread insures sealing underThis product has been superseded by: QA1918X Blkdia 14 1 4r21WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.