The header choices for the 351-based Ford Boss 427 crate engine with the raised-port heads are very limited. In fact, when we did this install, FPA was the only source we could find. They are very pricey, but beautifully made. They fit perfectly on the heads, BUT fit in the engine compartment was something else
Most Shelbys and Clones use a rear deck lid that has holes for fastening the rear letters. Unfortunately, on this 1968 Fastback, the rear deck lid is 30+ years old and the holes long covered. We scoured the Internet and found no resources for a template or even measurements on how to place the letters.