CLASSIC FINNED CAST ALUMINUM WITH POLISHED FINS. BLOCKS OFF 4 Bolt carb holes when not needed on multi carb intakes. Front to rear  fins. This is for the small base Rochester carb and others with the ( 3 1/4" x 1 7/8" flange) If this item is won with other items that specify shipping by USPS (mail), then this item can also be shipped via USPS.  If this item is won with other items that specify UPS shipping, then all items will be shipped via UPS.

FL-BO-5