T-H Marine Z-Lock Manual Jack Plate

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T-H Marine Z-Lock Manual Jack Plate

Recent product upgrades, such as the Z-Lock Manual Jack Plate design, secure T-H Marine's Hi-Jacker jack plates position as the industry leader. The Z-Lock's design reduces the possibility of side slippage while increasing its strength and stability. Constructed of strong aircraft-grade aluminum, these jack plates are stronger and will offer a longer service life, too. T-H Marine Z-Lock Manual Jack Plates are easy to adjust up or down with the center bolt and can be adjusted from the top of the jack. The plates are compatible with V-6 outboards up to 300 hp, and are available in 4", 6", 8" and 10" setbacks.

T-H Marine Z-Lock Manual Jack Plates accommodate motors equipped with dual steering and up to 90 degrees of tilt angle. Pre-drilled, the jack plates easily accept the most outboards’ mounting bolt pattern. NOTE: Mercury models manufactured from 1976 to 1979 will require special installation steps.


  • Z-Lock Jack Plate design prevents side slippage
  • Slotted extrusions lock side plates in place
  • Constructed from aircraft-grade aluminum
  • Full 6061-T6 1/2" material for maximum strength
  • Handles up to 300 hp V-6 Outboards
  • Allows top-of-jack adjustments


  • Vertical rise: 5"
  • 4", 6", 8", & 10" setbacks available

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Motor Mounts
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Product UPC:
733572070804, 733572070705, 733572070750, 733572084252

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