NASCAR Sprint Cup Engine - Ford's Sprint Car Resurgence - Open Wheel Photo Gallery
The cylinder heads are ASCS-spec Windsor heads. They've been outfitted with titanium valves from Del West sized at 2.080 for the intake and 1.600 for the exhaust. They've also been chromium nitrided for improved wear characteristics. Roush Yates has cut the decks to get the combustion chambers down from 64 cc's to 54.