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Get the Right Component at the Competitive Price for the Performance of Your Outboard.
Access a curated inventory of high-performance marine components designed for maximum durability. From precision-pitched propellers to critical ignition systems, every part is Hub-vetted to ensure your outboard operates at peak factory specifications.
SeaStar JP5040R 4″ Setback Hydraulic Jack Plate
The SeaStar JP5040R Hydraulic Jack Plate is a high-performance solution designed to provide vertical engine adjustment for outboards up to 300HP. With a compact 4-inch setback, this plate is ideal for boaters looking to optimize their engine's water depth without moving the center of gravity too far aft. This unit is in very good condition and includes a brand-new SeaStar DK4420 wiring harness for a complete, ready-to-install package.
| Attribute | Value |
| Brand | SeaStar Solutions |
| Model Number | JP5040R |
| Setback | 4 Inches |
| Condition | Very Good |
| Max Horsepower | Up to 300HP |
| Included Harness | SeaStar DK4420 (Brand New) |
| Weight | 56 lbs |
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The Mercury 300X is a masterpiece of high-performance engineering, widely regarded as one of the most powerful 2-stroke outboards ever produced. This extremely clean and highly maintained unit features the sought-after Sport Master 1.62 lower unit, making it the ultimate choice for high-speed bass boats, cats, and performance hulls. With only 149 original hours, this engine offers a rare opportunity to own a legendary "Pro Max" era powerhouse in pristine condition.
Key Specifications Table
| Attribute | Value |
| Brand | Mercury Racing |
| Model | 300X (3.0L V6) |
| Year | 2003 |
| Horsepower | 300 HP |
| Hours | 149 Original Hours |
| Lower Unit | Sport Master (1.62 Ratio) |
| Cowling | Factory Alien Cowl |
| Condition | Pre-Owned – Extremely Clean |
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