The Best Octane Boosters of 2023

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We ranked and reviewed the top 10 Best Octane Boosters in 2023. Read more How we ranked

Emily Sloyan
Jun 1, 2023 10:39 PM

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Lucas Oil 10026 12-Piece/Case 15 oz. Bottle Octane Booster Fuel Treatment Fluid

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SCORE
9.5
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Lucas Oil

Features

PROS

CONS

STP Octane Booster, Fuel Intake System Cleaner, Bottles, 5.25 Fl Oz, 78574

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SCORE
8.0
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
STP

Features

this two-in-one formula boosts octane and cleans the fuel intake system

restores power and acceleration

helps reduce knocking and pinging

use regularly when you fill up your tank

compatible with cap-less gas systems

Fit type: Vehicle Specific

Flash point: 38.0 degrees_celsius

PROS

CONS

STP Octane Booster, Fuel Intake System Cleaner, Bottles, 5.25 Fl Oz, Pack of 12, 18040G-12PK

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SCORE
9.5
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
STP

Features

This two-in-one formula boosts octane and cleans the fuel intake system

Restores power and acceleration

Helps reduce knocking and pinging

Use regularly when you fill up your tank

Compatible with cap-less gas systems

PROS

CONS

Klotz Octane Booster KL-628

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SCORE
8.2
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Klotz

Features

A concentrated tetraethyl lead substitute formulated to increase the octane rating of gasoline up to 10 numbers or more

Helps eliminate engine damaging detonation, spark knock, pre-ignition, and pinging from low-octane gasoline

Modifies the burn speed and flash point of gasoline to create a stable combustion chamber flame front, maximizing performance and power

Stabilizes oxygenated gasoline to prevent lean-out conditions

Provides needed upper-cylinder lubrication that is missing in unleaded gasoline

PROS

CONS

Lucas Oil 10026-PK12 Octane Booster - 15 oz (Pack of 12)

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SCORE
9.0
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
LUCAS

Features

Promotes clean fuel burn for fewer emissions

Safe for turbos, oxygen sensors and catalytic converters

Suitable for use in fuel injected and carbureted engines

Provides more boost than most other brands

Sold in case packs of 12

PROS

CONS

Royal Purple Max Boost Octane Booster - 16 oz.

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SCORE
8.6
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Royal Purple

Features

Replaces lead additives for protection of non-hardened valve seats

Raises octane rating up to 30 points or 3 numbers

Restores power and fuel economy while cleaning deposits from fuel injectors

Reduces power loss due to knock-retard in computer-controlled vehicles

Reduces engine knocking/pinging and stabilizes fuel

Max-Boost is a racing formula and is not street legal.

PROS

CONS

LUCAS LUC10026 Octane Boost. 15 oz, Multicolor

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SCORE
9.8
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
LUCAS

Features

Lubricates rings for improved cylinder life

Promotes clean fuel burn for fewer emissions

Easier piston travel and valve seat protection

Country of Origin : China

PROS

CONS

Rislone Hy-per Fuel Octane Booster,6 fl. oz, 1 Pack,4747

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SCORE
7.5
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Rislone

Features

Nozzle allows it to be poured into all fuel tanks, including cap less systems

Maintains optimum engine efficiency and power

Use with gasoline and ethanol E10 and E15

1 bottle treats up to 20 gallons of gasoline

Will not harm catalytic converters or oxygen sensors

Flash point: 46.0 degrees_celsius

Fit type: Universal Fit

PROS

CONS

Stens 051-635 Octane Booster, Black

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SCORE
9.1
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Stens

Features

Specs: 15 oz, 12 bottles per case

Promotes clean fuel burn for fewer emissions

Safe for turbos, oxygen sensors and catalytic converters

Stens one-year ensures reliability and performance for every part

PROS

CONS

Klotz KL-628 Octane Boosters

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SCORE
9.2
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Klotz

Features

Increases pump gasoline octane up to 10 numbers

Tetraethyl lead substitute for added lubricity

Stabilizes flame front and controls burn speed

PROS

CONS

Last update on 2023-06-01 / Prices / Affiliate links / Images, and Product Highlights from Amazon Product Advertising API

Editor's Notes

We ranked and reviewed the top 10 Best Octane Boosters in 2023. With the support of 40,445 customer's reviews, we hope that this article can give you the most realistic view of these products. The list below contains some main brands as lucas-oil, stp, klotz, lucas, royal-purple, rislone, stens.