What is the shelf life on this?

The shelf life for this product is 3 years. If you have any other technical questions, feel free to contact our Technical Service Professionals at 800-345-6572 or if you would prefer you can use the contact us page on our website.

Can I use this if I want to run 93 ? Mixing it with 91

My Merc needs 93 not available anymore where I live. So I buy by the case and add 1 at every fill of 91. Car fires great and had no issues.

What does this product boost your octane level to?

4to5 percent above pump percent

Rislone 4747 12pk Super Concentrated Octane Booster 6 Fluid Ounces

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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KD 35.95

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Description

⚡ Ignite your drive with every fill-up!

UNIVERSAL TANK FIT - Works seamlessly with standard, clogged, and capless gas tanks.
HIGH OCTANE CONFIDENCE - Contains max legal MMT concentrate for street use without damage.
ENGINE GUARDIAN FORMULA - Anti-shock action stops engine bumps and pings from low-quality fuel.
FUEL FLEXIBILITY MASTER - Compatible with unleaded, E10, E15, E85, and racing fuels.
POWER SURGE IN EVERY DROP - Restore lost engine power and performance instantly.

Rislone 4747-12PK Octane Booster Concentrate is a powerful fuel additive that increases octane by over 20 points, enhancing engine performance and preventing knocking. Safe for all gasoline types including ethanol blends and racing fuels, it protects catalytic converters and oxygen sensors while fitting all gas tank designs. Each bottle treats up to 20 gallons, making it a must-have for drivers seeking peak engine efficiency and reliability.

Specifications

ASIN	B07FY313PP
Best Sellers Rank	#162,091 in Automotive ( See Top 100 in Automotive ) #432 in Oil & Fluid Additives
Brand	Bar's Leaks
Customer Reviews	4.6 4.6 out of 5 stars (661)
Date First Available	25 August 2020
Exterior	Not Specified
Item Weight	2.17 Kilograms
Item model number	4747-12PK
Manufacturer	Rislone
Manufacturer Part Number	4747-12PK
Model	4747-12PK
Product Dimensions	17.78 x 15.24 x 25.4 cm; 2.17 kg

Reviews

L**E

Must have for any motorcycle

29.06.2024

M**.

Actually Works!

20.03.2026

A**R

Great item for gasoline.

8.09.2025

D**D

RISLONE ROCKS

12.04.2026

A**R

1 bottle short

21.02.2026

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Great price for an authentic product. Fast international shipping too!

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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