Heads–they are an art and science. Air Flow Research has their science down and understand head flow. With AFR’s new big block Ford “Bullitt” heads your Ford is going to roar making some serious horsepower!

Official Release:

AFR’S New Big Block Ford “Bullitt” CNC ported cylinder heads with stock or .250” raised exhaust ports, now in 270cc, 285cc and 300cc intake runner versions; 75cc or 88cc combustion chambers now available. Flow testing of our 300cc head revealed 427cfm (intake) and 284cfm (exhaust).

Dyno tests of a 521ci pump gas, engine running 270cc heads and stock exhaust ports, put down 727hp@6400 RPM and 674ft/lbs.@5000RPM.

Features:

• CNC ported to perfection
• Flow tested
• Made in USA