Dynojet Thunderslide Kit Stage 7 - 1999 Twin Cam 88 Carbureted - Harley Touring, Softail, Dyna
About Dynojet
Dynojet builds the dynamometers most performance shops tune on, along with the Power Vision and Power Commander tuning hardware riders use to actually take advantage of an intake and exhaust upgrade. Nothing else in this catalog does more to turn bolt-on parts into measurable horsepower.
The Dynojet Thunderslide Kit Stage 7 for 1999 Twin Cam 88 engines is a high-performance carburetor slide designed to push your V-twin's capabilities further. Featuring a custom-designed slide with an extended range of motion, this kit dramatically improves fuel atomization and sharpens throttle response. Experience significant power gains and enhanced fuel economy on both stock and modified engines.
Why riders pick this
- Custom-designed slide with extended range
- Improved fuel atomization
- Increased throttle response
- Better fuel economy
- Optimized for 1999 Twin Cam 88 engines
Elevate the performance of your 1999 Twin Cam 88 with the Dynojet Thunderslide Kit Stage 7. This advanced carburetor slide optimizes the air-fuel mixture for maximum efficiency and power output. By extending the carburetor's range of motion, it ensures a more complete burn, delivering a powerful and responsive ride that dedicated V-twin owners demand.
Command Ultimate Performance
- Custom-designed slide with extended range of motion
- Dramatically improved fuel atomization
- Increased throttle response for immediate power
- Delivers better fuel economy
- Fits stock 1999 Twin Cam 88 carburetors
Unleash Your Twin Cam's Full Potential
The Thunderslide Kit Stage 7 is engineered for riders who want to extract every ounce of performance from their 1999 Twin Cam 88. Whether you have a stock engine or one with performance modifications, this kit provides the precision tuning needed for optimal results. Always check local emissions regulations, as this product is not street-legal in all areas.
Specifications
- Brand: Dynojet
- Manufacturer Part #: 8730
- Length: 3.8 in
- Width: 11.8 in
- Height: 1.5 in
- Weight: 0.52 lbs
Common questions
Will this Stage 7 Thunderslide kit fit my 1999 Twin Cam 88 engine?
Yes, this Stage 7 kit is specifically designed for 1999 Twin Cam 88 engines. We recommend verifying your bike's engine code and carburetor type before ordering to ensure correct fitment.
Is this product street-legal in all states?
No, this kit is not legal for sale or installation in California. Please check your state and local emissions regulations, as some states restrict aftermarket carburetor modifications.
Do I need a jet kit or fuel mapping adjustments with this Thunderslide kit?
While the Thunderslide kit itself optimizes the slide, a jet kit or further fuel mapping adjustments may be beneficial to fully tune your carburetor for optimal performance, especially with other engine modifications. Consult a tuner or refer to Dynojet's recommendations for your specific setup.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Dynojet |
| TYPE | Intake/Carb/Fuel System |
| SKU | 133-4015 |
| WEIGHT | 0.52 lb |
