Blair, The NP gon is one of the ones I left off the list. Here's what you
need.
67.24 GN, 67.25 NP, 67.26 SP&S. All are 13 post 40' steel gon with composite
floor, Improved Dreadnaught ends, 52-60s decals, $30.
I have the NP kit if you have any specific questions.

Jim Hayes
Portland Oregon