Black Throttle Slide Valve for LO Junior .285 Inch Kart

Empower young racers with this black throttle slide valve, sized at .285 inches for LO Junior engines. It regulates air intake precisely, delivering measured power that suits developing skills without excess.

SKU 555728's design minimizes turbulence, ensuring even throttle progression for confident driving. In junior classes, this means better lap consistency as kids learn to modulate speed.

• Balanced Flow: .285 inch bore provides appropriate restriction for junior RPM limits.
• Durability: Black finish resists wear from frequent use in training sessions.
• Pit Efficiency: Quick-slide mechanism aids fast carb adjustments.

Coaches note improved response times, helping juniors exit pits stronger. It organizes setups by standardizing valve specs across teams.

For safe progression, this valve tempers power while allowing growth—essential for building champions.