RustyRatRod's Guide To Hot Rod Bliss

File fitting rings for a specific gap is an easy thing. 99% of all new guys can do this easy.
No fear in taking this on.
While KB suggests a certain gap for there Hyper slugs, ANY hyper slug or forged slug falls under the same catogory.

You can skip file fitting if the gap is good OOTB or if you use plain cast pistons.