Dynojet Thunderslide Kit - Stage 7 `99 Twin CAM 88 — Harley-Davidson Road King, Road King Classic, Electra Glide (1999)

Dynojet Thunderslide Kit Stage 7 for 1999 Twin Cam 88 engines, featuring a custom-designed slide that extends the carburetor's range of motion for improved fuel atomization and throttle response. Delivers measurable power gains and better fuel economy on stock and modified engines.

Features

• Custom-designed slide with extended range of motion
• Improved fuel atomization
• Increased throttle response
• Better fuel economy
• Fits stock Twin Cam 88 carburetors

Specifications

• Brand: Dynojet
• Manufacturer Part #: 8730
• Length: 3.8 in
• Width: 11.8 in
• Height: 1.5 in
• Weight: 0.52 lbs

Fitment

Fits 1999 Harley-Davidson Twin Cam 88 engines. Not street-legal for sale or installation in California — check local emissions laws in your state before purchasing.

Frequently Asked Questions

Will this fit my Twin Cam 88?

Yes, this Stage 7 kit is designed for 1999 Twin Cam 88 engines. Verify your bike's engine code before ordering.

Is this street legal?

Not legal in California. Check your state and local emissions regulations — some states restrict aftermarket carburetor modifications.

Do I need a jet kit or fuel map with this?

The Thunderslide alone can improve response on stock setups. A Dynojet PCV or fuel controller will maximize gains on modified engines.

Will this increase horsepower?

Yes. The extended slide range improves fuel atomization and throttle control, resulting in measurable power and torque increases.