HD-X Upgrade Package with Chrome-Plate Slide & Xcelerator Rod | BILLETRON HD300 Carbs 1990-2025-ktm-85-esr9885316 ✅ Improves low-speed control and

✅ Improves low-speed control and snap-on power delivery

with compatibility across dirt bikes

Lectron slides are made out of zinc to prevent the aluminum carb body from wearing

Includes throttle cable only—carb top cap and throttle housing sold separately

HD-X Upgrade Package with Chrome-Plate Slide & Xcelerator Rod | BILLETRON HD300 Carbs 1990-2025-ktm-85-esr9885316 ✅ Improves low-speed control andThis upgrade package brings your BILLETRON HD300 carburetor up to HD X specifications. It includes a chrome plated brass slide for smoother throttle operation and increased durability, along with the Xcelerator metering rod for improved fuel response and acceleration across the throttle range. The chrome plated slide resists wear and reduces friction under high load conditions, while the Xcelerator rod delivers a more refined fuel curveenhancing both