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Believe It Jet Kit For Harley Davidson Twin Cam 88 Us Model (stage 1) Accessory [g926I0Ly]

$27.99 $89.99 -69%

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. Our Jet Kits take the guesswork out of tuning your bike

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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. Our Jet Kits take the guesswork out of tuning your bike.

Whether your bike is stock 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. 

STAGE 1 DETAILS

Perfect for motorcycles with a stock engine using the stock airbox, air filter, and pipes. Stage 1 Jet Kits are engineered to improve throttle response and deliver approximately 5% more horsepower than stock. These kits are fully adjustable to allow the use of well-designed aftermarket pipes and stock replacement air filters, like K&N.

What Our Customers Say

December 27, 2025

Absolutely no complaints!

The look and feel are absolutely premium.

- Morgan R..

December 27, 2025

Absolutely no complaints!

The user interface is clean and easy to navigate.

- Jeremiah Washington.

December 27, 2025

Absolutely no complaints!

The positive reviews are all true.

- Denise Cooper.

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