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Bel-Ray Foam Air Filter Oil

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Bel Ray Foam Air Filter Oil

Bel Ray Foam Air Filter Oil can be applied to any street or off road motorcycle with a foam airfilter. Innovative Bel Ray technology has produced a foam filter oil unlike any other. It is easy to apply and improves airflow. The Ultra-viscous formula forms an oil barrier to trap micron-sized particles that can cause engine damage.


  • Traps dust and dirt to help prevent engine damage
  • Waterproof
Product Style RevZilla Item # Manufacturer Product # Availability
1L 166838 99190-B1LW / 93900-BT1LC In Stock: Ships next business day


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If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

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Write a Product Review for a chance to win our monthly $100 giveaways.
Bel-Ray Foam Air Filter Oil 5 5 1 1
Use it! Great foam filter oil. Super sticky which is what you want to keep the dirt out. Adhere's well to the foam, just don't use too much!! October 1, 2013
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Have a functionality, fit, or otherwise product-specific question about the Bel-Ray Foam Air Filter Oil? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

Bel-Ray Foam Air Filter Oil
Already Asked: 1 Question, 2 Answers
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RevZilla Store asked: Why did you choose this?
Benjamin S: It is super sticky and never lets any dirt into my carb. Jun 23, 2015
William E: Good experience in the past with Bel-Ray products. Apr 24, 2015