http://cgi.ebay.com/ebaymotors/Trick-Flow-Twisted-Wedge-170cc-heads-sbf-ford-347-331_W0QQcmdZViewItemQQhashZitem20ada535d0QQitemZ140352239056QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories This is a way better deal than messing with yours...Canfields for $800 BIN http://cgi.ebay.com/ebaymotors/SBF-Canfield-aluminum-heads-Cobra-Mustang-347-351-408_W0QQcmdZViewItemQQhashZitem2ea86ddca8QQitemZ200394267816QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories I have these, NA you won't make as much as some of the others but they reall work well with boost... http://cgi.ebay.com/ebaymotors/FORD-MUSTANG-EDELBROCK-ALUMINUM-HEADS-PERFORMER-302_W0QQcmdZViewItemQQhashZitem1e58a58c4dQQitemZ130336263245QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories hey thanks for the links on the heads im gunna try to pick up the canfeilds
