✓ VERIFIED
Aug 6, 2007
Tons of power, went from stock 170 main jet to 190 in the thunder jet. Should have done it sooner!
DYNOJET
SKU: 133-4010
Dynojet Thunderslide Kit Stage 1 - EVO 1340 Carbureted - Harley Touring, Softail, Dyna
$222.21
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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 1 for EVO 1340 engines is a carburetor slide assembly engineered to enhance your V-twin's performance. This precision-designed component improves fuel atomization and delivers a stronger throttle signal. Experience more responsive power delivery and better fuel economy on your Harley-Davidson.
Why riders pick this
- Custom-engineered carburetor slide
- Improved fuel atomization
- Stronger throttle signal
- Enhanced power and throttle response
- Better fuel economy
Unleash the potential of your 1990-2000 EVO 1340 with the Dynojet Thunderslide Kit Stage 1. This custom carburetor slide is a proven upgrade, designed to optimize the air-fuel mixture for a more efficient burn. Riders will notice a significant improvement in how their bike responds, making for a more engaging and powerful ride.
Unlock Responsive Power
- Custom-engineered carburetor slide for enhanced performance
- Improves fuel atomization for a more efficient burn
- Delivers a stronger throttle signal for quicker response
- Boosts overall power delivery and fuel economy
- Designed for 1990-2000 Harley-Davidson EVO 1340 engines
Optimize Your Carbureted EVO
This Thunderslide kit is a straightforward upgrade for carbureted EVO 1340 models, providing a noticeable difference in rideability. It's an ideal choice for riders looking to uncork a detuned factory bike or complement other mild performance upgrades. Ensure you verify local emissions laws, as this product is not street-legal in all areas.
Specifications
- Brand: Dynojet
- Manufacturer Part #: 8108
- Length: 3.75 in
- Width: 7.9 in
- Height: 1.5 in
- Weight: 0.37 lbs
Common questions
Will this Thunderslide kit fit my 2001 or newer Twin Cam engine?
No, this specific kit is designed for 1990-2000 Harley-Davidson EVO 1340 engines only. Twin Cam models require a different Dynojet Thunderslide kit for proper fitment.
Is this product street-legal in all states?
This kit is not street-legal in California. Always check your local and state emissions regulations before purchasing and installing any aftermarket carburetor modifications.
What kind of performance improvements can I expect?
You can expect improved fuel atomization, a stronger throttle signal, and better throttle response, which translates to enhanced power delivery and improved fuel economy on compatible EVO 1340 models.
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 | 133-4010 |
| WEIGHT | 0.37 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
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