Ditto what FFV8 said.
AGK caters to the Go Kart market mostly, a bike build with the standard Predator configuration which Gasbike does allows you to use AGK products ( When in stock ).
I have on order Sportsman Flyer's engine mount system that positions the engine perpendicular. It fits a Worksman Drop Loop frame. And that is why Mr. FFV8 made intake and exhaust components for my build. AGK has some interesting performance goodies if your check book is well funded.
Hey Brad, did you catch my request for one of your angled HF142 intake manifolds? This Townie frame wont let me use the straight version. I want to keep both so I sent another $23 for the angled one. (via PayPal)