World Products 030040 Merlin Cylinder Head Big Block Chevy(Bare 269cc Oval Port) Click Thumbnails to Enlarge MERLIN BBC, oval port, 119cc chamber, bare casting, 269cc intake, 2.300 x 1.880, Casting Number I-043D Alternate Items: 030040, 955-030040 WRL030040, WRL030741, World Products030040 Last Updated: Tuesday March 15, 2016 at 12:32:50