BIG BLOCK CHEVY 300cc OVAL PORT ALUMINUM HEADS BY SPEEDMASTER. FULLY ASSEMBLED, SETUP FOR USE WITH HYDRAULIC FLAT TAPPET CAMS UP TO 560 LIFT. This sale is for a set of heads (2 heads). You may have noticed other sellers using a similar name offering similar products. These other sellers have capitalized on our name as we see it, and many customers searching for us will inadvertently find them, thinking we are one in the same company. There is only one Skip White. Our official company name is Skip White Performance. Please see the article in the lower part of this ad for a more detailed explanation. The Speedmaster bbc…