Holley Fuel Tester; E85 FUEL TESTER

Fuel Mixture Analysis. The Holley Fuel Tester for E85 fuel is designed to instantly measure the ethanol-to-gasoline ratio, ensuring proper air/fuel mixture calibration for improved engine performance and efficiency. Its simple water and fuel test provides quick, accurate readings that are especially useful for tuning carbureted and fuel-injected engines running on variable E85 blends.

Construction and Appearance. Crafted for durability and repeated use, the tester features a clear, easy-to-read chamber that displays ethanol content accurately. Its compact design fits comfortably in your pocket or toolbox, making it convenient to carry and use whenever needed.

Installation. No installation is required—simply pour in water and fuel to perform the test quickly, without any modifications or drilling.

Warranty. This fuel tester is backed by a manufacturer’s limited 90-day warranty for quality assurance.

Application. Intended exclusively for use with E85 fuel, it is compatible with all emissions-controlled, uncontrolled, and racing vehicles because it does not affect emissions or vehicle compliance.

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