Description
T-H Marine 4" Set Back Jack Plate | Boat Supply Store
Maximize outboard efficiency and optimize hull performance with the T-H Marine Z-Lock™ 4" Set Back Manual Jack Plate. This unit integrates aircraft-grade aluminum construction, featuring a robust 1/2" material thickness for superior durability. It is engineered to accommodate V6 and V8 outboards up to 300 horsepower, providing 5 inches of vertical adjustment for precise engine height tuning, critical for achieving optimal planing speeds on offshore fishing vessels.
Key Features
- Eliminate side slippage with the innovative Z-Lock™ Jack Plate Design.
- Securely lock side plates in place via matching slotted extrusions.
- Constructed from strong aircraft-grade aluminum.
- Ensured durability with full 1/2" material thickness.
- Supports all V6 and V8 Outboards up to 300 hp.
- Effortlessly adjust engine height from the top of the jack.
- Provides a consistent 4" setback for hull optimization.
- Offers a full 5" of vertical adjustment for fine-tuning.
Specifications
| Product Specifications | |
|---|---|
| Brand | T-H Marine Supplies |
| Model | Z-Lock™ 4" Set Back Manual Single Adjust Jack Plate |
| MPN | JPZ-4-DP |
| SKU | CWR92149 |
| Material | Aircraft-grade aluminum |
| Material Thickness | 1/2" |
| Outboard Horsepower Rating | Up to 300 hp (V6/V8) |
| Setback | 4" |
| Vertical Adjustment Range | 5" |
| Adjustment Type | Single Point Manual (Top Adjust) |
| P65 Warning | Included |
Who This Is For
Boaters requiring precise outboard height adjustment for V6/V8 engines up to 300 hp to enhance performance and handling. Ideal for those who prioritize robust construction and the enhanced stability offered by a manually operated jack plate.
How It Compares
| Feature | T-H Marine 4" Set Back Jack Plate | Competitor |
|---|---|---|
| Setback | 4" | — |
| Vertical Adjustment | 5" | — |
| Max Outboard HP | 300 hp | 150 hp |
| Material Thickness | Full 1/2" | Not specified |
| Stabilization Design | Z-Lock™ Design | Typically less capable |
| Adjustment Type | Single Adjust (Top) | Manual |
Common Concerns Answered
Is manual adjustment as effective as hydraulic for performance tuning?
While hydraulic systems offer greater convenience for frequent adjustments, the single-point manual adjustment on the Z-Lock™ provides the necessary precision for optimizing engine height for specific hull types and water conditions. The focus here is on achieving a locked-in, stable performance setting.
What makes the Z-Lock™ design superior for stability?
The Z-Lock™ design incorporates interlocking side plates and slotted extrusions, effectively preventing lateral movement and maintaining a rigidly aligned engine position. This engineered connection offers superior lateral stability compared to standard slide-based jack plates, reducing flex and enhancing control.
How does the construction of this jack plate contribute to its performance?
The use of full 1/2" thick, aircraft-grade aluminum ensures exceptional strength and durability, capable of withstanding the stresses associated with high horsepower outboards and demanding marine environments. This robust construction directly translates to reliable performance and a secure mounting solution.
Frequently Asked Questions
What is the Z-Lock™ design and how does it improve jack plate stability?
The Z-Lock™ design utilizes interlocking side plates that slot into matching extrusions on the main body. This mechanism effectively locks the side plates in place, preventing any tendency for the jack plate to shift or slip laterally, thereby significantly enhancing overall stability and providing a more secure engine mount.
What is the maximum horsepower and outboard size this jack plate can handle?
This jack plate is engineered to handle all V6 and V8 outboards with a maximum horsepower rating of 300 hp, ensuring compatibility with a wide range of popular engine models.
What is the vertical adjustment range of this jack plate?
The T-H Marine Z-Lock™ 4" Set Back Manual Jack Plate offers a full 5 inches of vertical adjustment, allowing boaters to precisely fine-tune their outboard's height for optimal performance and fuel efficiency.
Is this jack plate compatible with all V6 and V8 outboards up to 300 hp?
Yes, the jack plate is designed and rated to accommodate all V6 and V8 outboards with horsepower ratings up to 300 hp, provided the transom mounting dimensions are within standard specifications.
How is the adjustment made on this manual jack plate?
Adjustment is performed manually via a single-point adjustment mechanism located at the top of the jack plate. This allows for straightforward control of the vertical engine height.
