T-H Marine Z-Lock™ 8″ Set Back Manual Single Adjust Jack Plate
$681.25 $613.13
Z-Lock™ 8″ Set Back Manual Single Adjust Jack Plate
Z-Lock Jack Plate Revolutionary Design Adds Strength and Stability. The excellence of T-H Marine’s HI-JACKER™ jack plate series continues with the Z-Lock Manual Jack Plate design upgrade.
Features:
- Z-Lock™ Jack Plate Design Eliminates Side Slippage
- Matching slotted extrusions LOCK side plates in place
- Strong Aircraft Grade Aluminum
- Full ½” Material For Strength
- Handles All V6 and V8 Outboards up to 300 hp
- Easy to Adjust From Top of Jack
- Available in 4″, 6″, 8″, 10″ and 12″ setbacks
- 5″ of Vertical Adjustment
WARNING: 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.


⚓ Smooth Sailing Shipping
Enjoy FREE standard shipping on most orders over $250 within the continental U.S. (excl. heavy/oversized/hazardous items).
We ship via UPS, FedEx, and USPS . Orders are processed in 1–2 business days with typical delivery in 1–5 business days .
🧭 Track The Voyage
You’ll receive tracking info by email once your order ships. If your package is marked “delivered” but not received, please wait 48 hours then reach out to our team.
🛟 Hassle-Free Returns & Exchanges
Returns accepted within 30 days of delivery. Items must be unused and in original packaging.
- Mistaken or damaged cargo? We’ll handle return shipping.
- Changed your course? Return shipping is on you.
- Report defects or damage within 7 days for a free exchange.
💰 Anchor Your Refund
Refunds go back to your original payment method within 5–7 business days after inspection.
📨 Contact the Crew
Questions about your order? Drop anchor at sales@marineelec.com .