[lasermann]

what does NOS mean

 

[sfarson]

lasermann...

Here's a little background for you: http://www.holley.com/index.asp?division=NOS

 

[vlade]

Well it also stands for New Old Stock. As in parts that got stuck on a shelf somewhere and never got used when the Model it was made for was current. See it alot when your trying to locate parts for vintage bikes. Expect to buy in the original package.

 

[Dave63]

Nitrous Oxide System.....

Or in the case of parts, New Original/Old Stock.