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The T-H Marine Z-Lock 10" Set Back Manual Jack Plate (JPZ-10-DP) delivers reliable engine height adjustment and enhanced on-water performance for outboard-powered boats. Designed for anglers and performance boaters who want greater setback without the complexity of hydraulic systems, this manual jack plate provides precise tuning to improve hole shot, top-end speed, trim control, and shallow-water operation.
The Z-Lock™ single-adjust system securely locks the engine in place, eliminating unwanted movement under heavy loads or high-speed conditions. With a 10-inch setback, this jack plate increases leverage and optimizes hull balance, allowing the propeller to run more efficiently while improving overall handling and lift.
Constructed from high-strength aluminum and finished with a polished aluminum coating, the JPZ-10-DP offers excellent corrosion resistance and durability in both freshwater and saltwater environments. Proudly made in the USA, T-H Marine Z-Lock jack plates are trusted for their strength, simplicity, and long-term reliability.
Interlocking Z-Lock Rails: The unique Z-Lock design eliminates the side-to-side movement and vibration common in many manual plates. This provides the rock-solid stability of a permanent mount while maintaining the ability to adjust your engine height.
Single-Bolt Adjustment: Unlike traditional manual plates that require adjusting both sides independently, the Z-Lock features a single top-mounted adjustment bolt. This allows you to raise or lower the engine quickly and evenly with a single wrench.
Aviation-Grade Construction: Machined from 1/2" thick 6061-T6 aluminum, this plate is built to handle the torque of the heaviest modern outboards, including high-horsepower V6 four-strokes up to 300 HP.
Dolphin Polished Finish: The "DP" designation indicates a premium polished finish that offers excellent corrosion resistance in both fresh and saltwater while adding a custom, high-end look to your boat.
Model: Z-Lock Manual Jack Plate
Part Number: JPZ-10-DP
Setback: 10 inches
Adjustment Type: Manual, single-adjust
Material: High-strength aluminum
Finish: Polished
Application: Outboard engines
Use: Freshwater and saltwater
Improves hole shot, top-end speed, and fuel efficiency
Enhances shallow-water and performance boat operation
Optimizes propeller efficiency and trim response
Affordable alternative to hydraulic jack plates
Bass boats
Bay boats
Flats boats
Performance outboard boats
Tournament fishing boats
The T-H Marine Z-Lock JPZ-10-DP is ideal for boaters seeking a balance of increased setback and simple manual adjustment. Its secure locking system, polished aluminum construction, and proven performance make it a dependable upgrade for serious outboard applications.
The JPZ-10-DP is an ideal "set-it-and-forget-it" solution for boaters who want to find their hull's perfect "sweet spot" without the weight or cost of a hydraulic system. The 10-inch setback is particularly effective on mid-to-large sized bass boats and performance skiffs that need extra bow lift to reach their maximum potential.
Installation Tip: Due to the leverage created by a 10-inch setback, it is highly recommended to use a transom support plate on the inside of your bilge. This helps distribute the engine's weight across a larger surface area, protecting your transom from stress.
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.
Manufacturer : T-H Marine Supplies
Manufacturer Part No : JPZ-10-DP
Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
US$40
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