Dynojet Thunderslide Kit - Stage 7 `2000-2006 Twin CAM 88 — Harley-Davidson Road King, Road King Classic, Electra Glide (2000-2006)

Dynojet Thunderslide Stage 7 kit for 2000-2006 Twin Cam 88 engines, featuring a custom-designed slide that refines carburetor signal strength for better fuel atomization. Delivers measurable gains in power output, throttle response, and fuel economy on stock and modified bikes.

Features

• Custom-engineered slide with precise movement control
• Improved fuel atomization and carburetor signal
• Increased power and throttle response
• Better fuel economy

Specifications

• Brand: Dynojet
• Manufacturer Part #: 8731
• Length: 3.75 in
• Width: 12 in
• Height: 1.3 in
• Weight: 0.5 lbs

Fitment

Fits 2000-2006 Harley-Davidson Twin Cam 88 engines. Not legal for sale or use in California — verify local emissions and air quality regulations in your state before installation.

Frequently Asked Questions

Is this legal in California?

No — this kit is not legal for sale or use in California. Check your state and local laws before ordering.

Will this work on my 2007+ Twin Cam engine?

This part is specific to 2000-2006 Twin Cam 88. 2007 and newer Twin Cam models require a different Dynojet kit.

Does this require a tuner or dyno tune?

The Thunderslide alone may not require remapping, but a fuel/air tune will maximize the benefits of the improved carburetor signal.

How much power does this add?

Results vary with engine condition and setup, but expect noticeable improvements in throttle response and mid-range power output.