Top 8 Octane Tester for Gasoline – Fuel Pressure Testers

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1. REV X

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5 oz., REV X E85 Super Tester Reusable Ethanol Testing Kit

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REV X #ad - Testing bottle can be reused over and over. Easy to read label and instructions that is laminated to prevent fading or the ink rubbing off. Ethanol can damage motors not equipped or designed to use it, test your gasoline first. High levels of ethanol could damage your fuel system and lower your fuel mileage. Test kit also tests for e85. Test your fuel for proper ethanol levels to ensure it does not damage your engine. With readings of e10, e20, e15, e80, e25, e85 and e90. Simple test to discover the percentage of ethanol alcohol in gasoline.
BrandREV X #ad
ManufacturerRev X Products, Inc. #ad
Height6 Inches
Length1.5 Inches
Width1.5 Inches
Part NumberST0501
Model8542039622

2. Fuel-It!

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Fuel Test Kit with 1 Reusable Tester for E85, Ethanol, Ethanol-Free Fuel Test, Race Gas, Gasoline

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Fuel-It! #ad - No stickers or printed graphics, making them accurate, reusable, and easy to use!. Verify the ethanol levels in your fuel from 0-100%. Kit includes one fuel tester, two samplers, two gloves, 12" x 12" microfiber towel, and a reusable case that can be used to dispense fuel in to. Easy to read with our unique design and full scale measurements in 2. 5% increments. Laser etched graphics that will never fade, dissolve, or come off Lifetime guarantee.
BrandFuel-It! #ad
ManufacturerFuel-It! #ad
Height0.6 Inches
Length4 Inches
Weight0.13 Pounds
Width0.6 Inches
Part NumberACC-TEST-KIT
ModelACC-TEST-PS
WarrantyLifetime warranty graphics will never come off

3. Iso-HEET

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Improves Engine Performance, Year Round Performance, 12 fl. oz. 28202 , Red, Helps Increase Gas Mileage, ISO-HEET Water Remover And Premium Fuel Line Antifreeze + Injector Cleaner

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Iso-HEET #ad - Removes water from fuel system. Prevents rust and corrosion. No. 1 selling brand of premium gas-line antifreeze. This item is not for sale in Catalina Island. Absorbs 5 times more water than regular gas dryers.
BrandIso-HEET #ad
ManufacturerGold Eagle Co. #ad
Height2.2 Inches
Length8.35 Inches
Weight0.15 Pounds
Width3.25 Inches
Part Number28202
Model28202
WarrantyEverything you purchase from us comes with a 100% Satisfaction Guarantee. Our 100% Satisfaction Guarantee means you’re covered if you are unhappy with the results of the product or if it does not hold up to the claims on the label.

4. Fuel-It!

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Glass Laser Etched Ethanol Content Fuel Tester for Ethanol, Gasoline, E85

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Fuel-It! #ad - Graphics that are guaranteed not to come off with normal use. Unique design is easy to use and read. Full scale so if your fuel is e0, E50, E10, E90…no more guesstimating. Free standing with flat bottom.
BrandFuel-It! #ad
ManufacturerFuel-It! #ad
Part NumberE85 Glass Tube

5. Holley

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Holley 26-147 Fuel Tester

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Holley #ad - Country of Origin : United States. Package weight: 0068 kilograms. Package dimensions: 3. 555 h x 17. 526 l x 2032 w centimeters. Part number: 26-147.
BrandHolley #ad
ManufacturerHolley #ad
Height1 Inches
Length10.5 Inches
Weight0.15 Pounds
Width7.5 Inches
Part Number26-147
Model26-147

6. RaceGas

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12 Pack, RaceGas 100032 Premium Race Fuel Concentrate Increases Gasoline Up to 105 Octan

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RaceGas #ad - Patented unleaded formula will raise octane of pump gas up to 105 r+m/2. 32 ounce cans. Will not harm catalytic converters, O2 sensors or fuel system components. Proven in any engine that requires high octane fuel including 2 Stroke and E85 engines. Labratory proven to raise the octane, chemical energy and oxygen of pump gas to equal race fuel.
BrandRaceGas #ad
ManufacturerRaceGas #ad
Height8.5 Inches
Length15 Inches
Weight100 Kilograms
Width11.25 Inches
Part Number100032-12PK

7. Koehler

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Koehler Enterprises RA990 Multi-Use Siphon Fuel Transfer Pump Kit for Gas Oil and Liquids, Red

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Koehler #ad - Included attachment for adapting to an air pump function for inflation. Safely and easily transfer gasoline and other fluids through a siphon intake and discharge system. Eliminates need for risky mouth siphoning of dangerous chemicals. Great for home, industrial, marine and farm use. Fit type: Universal Fit.
BrandKoehler #ad
ManufacturerKoehler Enterprises #ad
Height2.1 Inches
Length10.2 Inches
Weight1.25 Pounds
Width9.1 Inches
Part NumberRA990
ModelRA990
Warrantywarranty

8. REV X

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Easy to Use Ethanol Test Kit, REV X E85T0501 E85 Gasoline Tester

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REV X #ad - Step 2: fill bottle with E85 gasoline to Gasoline Fill Line. Step 1: fill bottle with Water to the water fill line. Let sit on flat surface for 5 minutes and then read ethanol level. Economical tool to measure the level of ethanol in e85. Step 3: put on cap and shake well. Label is laminated to prevent smudging and wear. Large easy to read label to measure ethanol & water content in gasoline from E60 - E100 .
BrandREV X #ad
ManufacturerRev X Products, Inc. #ad
Height6 Inches
Length1.5 Inches
Width1.5 Inches
Part NumberE85T0501
ModelE85T0501