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NOS Octane Booster 16 oz (473 ml)

Brand NOS Reference 120-NOSOB-16

NOS Octane Booster gives you the extra edge when it counts. It lets forced-induction engines run more boost safely, without reaching the engine's detonation threshold, and is particularly useful on high-performance, turbocharged and high-compression engines on track days.

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Available from the manufacturer 24+ in stock at factory
Expected delivery to you on Nov 13, 2026
This lead time is an estimate and may change due to circumstances beyond our control

Pricing and ordering reserved for professionals.

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NOS Octane Booster gives you the extra edge when it counts. It lets forced-induction engines run more boost safely, without reaching the engine's detonation threshold, and is particularly useful on high-performance, turbocharged and high-compression engines on track days. This single-use fuel additive raises octane by up to 5 points, which helps reduce knocking or pinging during combustion. Knock occurs when the fuel/air mixture ignites prematurely, leading to retarded timing and a drop in performance and fuel efficiency, and over time it can damage pistons, valves and cylinder walls. NOS Octane Booster promotes smoother, more stable combustion and widens the safety margin of engines that require higher-octane fuel.

Key features

  • Boost Octane rating up to 5 numbers
  • One bottle treats up to 20 gallons of fuel
  • Reduces NOX, Hydrocarbon and Carbon Monoxide emissions
  • Extends detonation threshold to eliminate engine knocking and pinging
  • O2 Sensor safe formula
  • Intended for off-road use only

Technical specifications

  • Brand: NOS (Nitrous Oxide System PI)
  • Manufacturer part number: 120-NOSOB-16
  • Application method: Pour / Liquid Pour
  • Fuel system: Carburetor and Fuel Injection
  • Catalytic converter safe: No
  • Height: 3 in (76 m PI)
  • Raises octane: Yes
  • Length: 9.5 in (241 m PI)
  • Oxygen sensor safe: Yes
  • Width: 3 in (76 m PI)

Good to know

  • Race Formula - Intended for off-road use only

Important: this product runs on nitrous oxide (N2 PI), a gas we do not supply and which is currently difficult to obtain. It is your responsibility to find a local supplier of gas for professionals. NOS bottles do not comply with CE standards (they do not carry the PI mark): only CE-approved bottles may be used. European manufacturers offer bottles approved to contain this gas; please check the applicable standards and verify the manufacturer's origin and compliance before purchasing. NOS fittings are not metric (AN / NPT threads depending on the part numbe PI): plan for the adapters needed for your installation. Please comply with the regulations in force in your country.

Product family: Oils/Additives
Produit mis à jour le: 2026-10-23 15:37:03