Top Plate Kit for GX390-Style Big Block Clone Engines

• Precision-machined aluminum top plate fits GX390 clone engines flawlessly.
• Includes all necessary hardware and a performance spring for immediate installation.
• Enhances valvetrain stability, allowing aggressive cam profiles without flex.

In big block kart racing, where every ounce of power matters, this top plate elevates your setup by securing the valve cover tightly. It reduces air leaks, ensuring efficient breathing that translates to quicker acceleration and higher top speeds.

Racers love how it simplifies engine assembly, keeping parts organized in the shop. The added spring maintains proper tension, preventing issues during high-stress runs. For clone builds aiming to dominate classes, this component is a smart, affordable boost to overall performance.

Compatible with various big block accessories, it supports custom tuning without compromising integrity. Feel the difference in smoother revs and sustained power through the gears.

SKU: DJ-3146