Holley 26-147 E85 Fuel Tester and Ethanol Content Checker

The Holley E85 Fuel Tester is an essential tool for anyone running ethanol-based fuels in their performance vehicle. This simple yet effective tester allows you to quickly verify the ethanol content in E85 fuel, ensuring you're getting the proper fuel mixture for optimal engine performance and tuning.

Key Features:

• Quick and accurate testing of E85 fuel ethanol content
• Simple float-style design requires no batteries or complex operation
• Compact size fits easily in your toolbox, glovebox, or track bag
• Graduated markings clearly indicate ethanol percentage
• Durable construction for repeated use at the track or pump
• Helps prevent tuning issues caused by inconsistent fuel quality

E85 fuel can vary significantly in ethanol content from pump to pump and region to region, sometimes ranging from E51 to E85. This tester takes the guesswork out of your fuel quality, allowing you to adjust your tune accordingly or choose a different fuel source if the ethanol content isn't what you need. Simply fill the tester with a fuel sample and read the ethanol percentage on the graduated scale.