AMZOIL Dominator Octane Booster

The one octane boost product that really works!
Dominator Octane Boost product code: AOB

AMSOIL DOMINATOR® Octane Boost (AOB) significantly increases engine response and power in all two- and four-cycle gasoline-fueled engines. Just one treatment reduces engine knock, improves ignition and helps fuel burn cleaner. DOMINATOR Octane Boost is the recommended octane boost for all high-performance off-road and racing applications. Most users find one 12-ounce bottle of DOMINATOR Octane Boost for 15 gallons of gasoline provides the ideal performance increase. DOMINATOR Octane Boost is also excellent as a lead substitute at the same treat rates in collector automobiles, older off-road equipment and pleasure vehicles.

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Call 800-579-0580 for competitive current price.
Or use the
online preferred customer portal if you choose to order online.

Download this printable PDF – Data Sheet on the Gasoline Octane Booster

Vehicle Look-up: Match AMSOIL Products to your model

Package sizes include:

12-oz. Bottle
12-oz. Bottles (case of 6)

Performance Features

  • Improves performance
  • Removes carbon deposits
  • Maximizes power
  • Reduces engine knock
  • Improves ignition
  • Improves responsiveness
  • Helps fuel burn cleaner

AMSOIL, the leader in automotive synthetic lubrication, produced the world’s first API-qualified synthetic motor oil in 1972. Trust the extensive experience of AMSOIL, The First in Synthetics®, to do the best job protecting your engine.

What does “octane number” mean and why does it matter?

The tendency of a hydrocarbon fuel, such as gasoline, to knock is measured by its octane number. Lower numbers denote a greater knock tendency; higher numbers denote greater knock control. “Knock” is an uncontrolled and explosive ignition of fuel in the combustion chamber. It causes a knocking or pinging sound, robs the engine of power and, left unchecked, causes serious engine damage. Knock may be eliminated with the appropriate octane number.

What is “engine knock” and why does it matter?

“Knock” is an uncontrolled and explosive ignition of a hydrocarbon fuel, such as gasoline, in the combustion chamber. It causes a knocking or pinging sound, robs the engine of power and, left unchecked, causes serious engine damage. Fuel’s tendency to knock is measured by its octane number. Lower numbers denote greater knock tendency; higher numbers denote greater knock control. Knock may be eliminated with the appropriate octane number.

AMSOIL PRODUCT WARRANTY

AMSOIL products are backed by a Limited Liability Warranty. For complete information visit www.amsoil.com/warranty.aspx.

HEALTH & SAFETY STATEMENT

This product is not expected to cause health concerns when used for the intended application and according to the recommendations in the Material Safety Data Sheet (MSDS). USA and Canada (M)SDS are available upon request at 715-392-7101 or on the AMSOIL Website.Keep Out of Reach of Children. Recycle used oil and bottle.

  • Improves performance
  • Removes carbon deposits
  • Maximizes power
  • Reduces engine knock
  • Improves ignition
  • Improves responsiveness
  • Helps fuel burn cleaner

Customers LOVE this product – they return because it gives noticeable results when the highest octane is required.

Also bookmark and read into the PI – Performance Improver Gasoline Additive – Our best selling item other than oil.

Octane Boost Q & A:

In using octane boosters, when the product says it increases the octane, say 4 points, I and many others assumed it means an increase of 87 to 91, as an example. However, in the July 2012 issue of Car Craft, Jeff Smith in his “Ask Anything” column (p.45) says that it would increase octane from 87 to 87.4. My question:

1. Is this generally a true statement? 2. Is this true of competitor’s products? 3. Is this true of AMSOIL Octane Boost?

Thank, Paul Hill

AMSOIL: A complicated, unofficial system used within the industry to evaluate octane increase can greatly confuse this issue, allowing some additive manufactures to artificially strengthen their marketing claims. Generally, increasing octane by one octane unit means increasing it from 87 to 88, while increasing octane by one point means increasing it from 87 to 87.1. AMSOIL Octane Boost performance is measured in units; a four-unit octane increase brings 87 octane fuel to a 91 octane fuel.

See AMSOIL Product Listings

Reviews

Love it!
By  Gary,  a  Verified Buyer  on  October 19, 2019
I use this in my antique 1969 BSA Rocket 3 high performance Café Race motorcycle. It helps a lot!
Never leave home without it.
By  George,  a  Verified Buyer  on  September 23, 2019
I use this product in an engine without hardened valve seats. all upside no downside. easier starts, better acceleration. very happy with this product.
Great product
By  Travis,  a  Verified Buyer  on  June 24, 2019
Use this in a ATV. Great results!
YES
By  RYAN,  a  Verified Buyer  from  IN  on  May 28, 2019
IN PULLING TRACTORS
Octane boost
By  Rob,  a  Verified Buyer  from  St. Albert  on  March 20, 2019
I use this product always in my snowmobile
Absolutely a must have
By  Phil from Canada,  a  Verified Buyer  from  Pembroke, Ontario  on  March 08, 2019
I own a high performance snowmobile, so I’m always cautious when i fill up at the pumps as I want 100% premium fuel. Not always the case at gas stations in northern Ontario. Fuel quality seems below the said standard. So I always carry a bottle or two in my tunnel bag to use to bring up the standard that I am always looking for. Cheers
I will buy this product again
By  freeriders,  a  Verified Buyer  from  aurora indiana  on  November 04, 2018
i use this in my harley trike help with pickup and on take off and while i pull my dog trailer helps a lot.
I will refill when I run out!
By  T-Son,  a  Verified Buyer  from  Valentine, TX  on  July 02, 2018
There is a substantial difference for almost two fuel fill ups once applied.
I use this product, with gas prices going up, why don’t you
By  Royce,  a  Verified Buyer  from  Arkansas  on  June 08, 2018
Put it my explorer every 2 fill ups
Yes
By  Matt,  a  Verified Buyer  from  Boulder Co  on  May 28, 2018
Use in Audi 2018 Q5. Really helps. FYI, use with PI every now and again. Note: I live in Boulder Co. at this altitude this product seem to really help performance.
Love it!
By  Gary,  a  Verified Buyer  on  October 19, 2019
I use this in my antique 1969 BSA Rocket 3 high performance Café Race motorcycle. It helps a lot!
never leave home without it.
By  George,  a  Verified Buyer  on  September 23, 2019
I use this product in an engine without hardened valve seats. all upside no downside. easier starts, better acceleration. very happy with this product.

 

Great product
By  Travis,  a  Verified Buyer  on  June 24, 2019
Use this in a ATV. Great results!

 

YES
By  RYAN,  a  Verified Buyer  from  IN  on  May 28, 2019
IN PULLING TRACTORS
Octane boost
By  Rob,  a  Verified Buyer  from  St. Albert  on  March 20, 2019
I use this product always in my snowmobile

 

Absolutely a must have
By  Phil from Canada,  a  Verified Buyer  from  Pembroke, Ontario  on  March 08, 2019
I own a high performance snowmobile, so I’m always cautious when i fill up at the pumps as I want 100% premium fuel. Not always the case at gas stations in northern Ontario. Fuel quality seems below the said standard. So I always carry a bottle or two in my tunnel bag to use to bring up the standard that I am always looking for. Cheers

 

i will buy this product again
By  freeriders,  a  Verified Buyer  from  aurora indiana  on  November 04, 2018
i use this in my harley trike help with pickup and on take off and while i pull my dog trailer helps alot

 

I will refill when I run out!
By  T-Son,  a  Verified Buyer  from  Valentine, TX  on  July 02, 2018
There is a substantial difference for almost two fuel fill ups once applied.
I use this product, with gas prices going up, why don’t you
By  Royce,  a  Verified Buyer  from  Arkansas  on  June 08, 2018
Put it my explorer every 2 fill ups
Yes
By  Matt,  a  Verified Buyer  from  Boulder Co  on  May 28, 2018
Use in Audi 2018 Q5. Really helps. FYI, use with PI every now and again. Note: I live in Boulder Co. at this altitude this product seem to really help performance.