Brodix BBC 270cc Race Rite Head O/P 2.250/1.88 Assembled - Cylinder Head - RR BB-O - Assembled - 2.250 / 1.880 in Valves - 270 cc Intake - 119 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Sold as Each - Part Number: 2061000 - Brand: Brodix