DYNOJET Stage-7 Thunderslide Jet Kit - Harley Davidson '90-'00 - 8708

With a Jet Kit for your motorcycle, you’ll feel the rush of Dynojet’s legacy with each ride. Enjoy a boost of horsepower and smoother acceleration.

Take your performance to new heights with a Jet Kit for your motorcycle. Increase power and improve performance throughout the entire RPM range, while improving throttle response and smoothness. These Jet Kits take the guesswork out of tuning your bike.

Whether you’re rolling with a stock bike or you’ve made some modifications, our Jet Kit will optimize your air/fuel ratio to eliminate rough spots and help you take control of your motorcycle’s power. You can go with a Stage 1 Jet Kit to give your stock engine a 5% boost of horsepower or send it the way up to Stage 7 (available for some street bikes) if you’ve made significant upgrades to set your bike up for success on race day.

Made for the speedway, not the highway. If your bike is set up for racing, reach your maximum potential with a Stage 7 Jet Kit. Stage 7 kits are designed to optimize performance for your tuning specification or racing conditions.

• Unique set of lift holes moderate how the slide moves with respect to throttle position; the faster the slide opens, the quicker the throttle response
• Revolutionary composite plastic slide provides unparalleled performance gains in both horsepower and mileage
• Stage 7 kits are for 80 plus horsepower engines and include a taller carburetor top for more slide movement
• Kits include jets, needles, clips, carburetor top and other necessary parts for CV carbs
• Made in the U.S.A.
• 5-8% power range
• Fully adjustable
• Increases power and drivability
• For carbureted vehicles only

TESTED TO PERFECTION

Dynojet’s jet kits are designed to upgrade every part of your carburetors air/fuel ratio with included step-by-step instructions for whatever you need upgraded. From your fuel needle to the main air jet, Dynojet has extensively tested every component, which means that you’ll see results as soon as you rev the engine.

SMOOTHER POWER

These jet kits give some extreme upgrades in a small package. They increase power and smoothness throughout the entire rev range while maintaining fuel economy. There are multiple kit options from stock commuter motorcycles to race-ready bikes and everything in between.

Fitment Guide

Specs