DYNOJET THUNDERSLIDE KIT `89-03 XL1200 - 133-4012

The Dynojet ThunderSlide Kit for the 1989-2003 Harley-Davidson XL1200 is a carburetor slide upgrade that replaces the stock slide with a custom-designed unit to deliver stronger throttle response and more usable power, making it the go-to Dynojet ThunderSlide kit 1989-2003 Sportster XL1200 for riders tired of a lazy, flat throttle. The Dynojet ThunderSlide Kit covers a 15-year XL1200 fitment window from 1989 through 2003, so it's a proven fix across one of Harley's most iconic Sportster platforms. Throttle feel gets noticeably crisp because the custom slide creates a stronger vacuum signal that pulls fuel into finer atomized droplets. At $222.21, it's a bench-install upgrade that wakes up your XL1200 without cracking open the engine.

• Delivers stronger throttle response by generating a more precise vacuum signal through the custom slide.
• Fits 1989-2003 Harley-Davidson XL1200 carburetor applications across the full 15-year production run.
• Built to improve fuel atomization so your XL1200 pulls cleaner and harder throughout the rev range.
• Reduces flat spots at part throttle, a common complaint with stock XL1200 carburetor jetting.
• Keeps fuel economy from suffering while adding power, covering the Harley XL1200 carburetor upgrade without trade-offs.

Pick up the Dynojet ThunderSlide carburetor kit at Dillon Powersports, authorized dealer.