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Welcome to NGVI NA - We are here to help you with your Propane and Natural Gas Fuel System Needs

NGVI NA carries and manufactures a wide selection of Streamline™ brand parts for LPG and Natural Gas Fuel Systems (Including generic IMPCO parts/replacements), High Pressure Hoses, Fittings, and much more!


Please contact us directly for full list of our products, replacement identification, information on volume and partner pricing, a pdf of our product catalog, or any other requests.

or give us  a call: +1-877-633-9169
We are available Mon-Fri - 7:00am to 3:30pm MST (Mountain Standard Time) 


In 2008 NGVI North America, purchased the design and manufacturing rights for the Streamline™ product from Woodward Governor Company. Streamline™ (formerly Nolff's Carburetion) is a product line of engine control products LPG, Natural Gas or Compressed Natural Gas (CNG) applications. The product line consists of mixer/carburetors, throttles, regulators and a wide variety of engine control products. Our goal is to provide you a quality product at an excellent price. The size of engines we support are less than 5 HP to over 250 HP.

Streamline™ products are used on natural gas and propane (LPG) engines in these typical applications:

  • Forklifts

  • Manlifts

  • Floor Buffers

  • Generator Sets

  • Pump Applications

  • Lawn Mowers

  • Go Carts

  • Wind Generators

  • Many others

If you need a spare part or are designing a new alternative fueled engine we are very interested in the opportunity to work with you. Our application engineering or design team will work directly with you to provide you with the product you need.

Home: Streamline


Same Quality. Lower Price. Faster Delivery.

We at NGVI North America, Inc pride ourselves on consistently meeting or exceeding our customers needs.  With excellent quality, affordable pricing, and quick turn times, we provide a reliable generic alternative to IMPCO Products.

From Mixers to Regulators; Spares to Repair Kits - we know that every product counts.  

Check it out for yourself!

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