[750hp]

Jack, there's an article in one of our magazines about the new heads. I've never had any need for a scanner until now!!!

Until I scan the article, here are a bit of an idea about them:

A more gradual curve on the short turn radius.
Closed chamber design.
More central spark plug location.
High port exhaust runner.
Airspeed high by using smaller runner volume / cross section.
Extra thick deck to suit milling for compression, O-Ringing etc.
Revised coolant jacket design.
215cc port volume.
Up to 2.19 & 1.71" valves.

By their own admission, the runner volumes on their first heads is aimed at high performance street engines. The torque levels achieved are impressive, but the runners will prove restrictive in racing applications. A new revised "race" version are on the way soon.

John the owner of CHI can be reached on 0419 245 265. This is a mobile (cell) phone, and I have NO IDEA if you can call him directly from over there.

The engine builder that had some input into the design is Con at Performance Race Engines 0011 613 9357 7668.

Hope this helps,
Craig