FLOTEK The Hammer Cylinder Head - Assembled - 2.080 / 1.600 in Valves - 205 cc Intake - 60 cc Chamber - 1.580 in Springs - Small Block Ford 2205-SR-505 337007 Tube yokes are welded to

Tube yokes are welded to within

Four 1/2 in Spacers

Optimized street calibration that works-out-of-the-box

(2) Throttle Linkage Mounting Bosses

FLOTEK The Hammer Cylinder Head - Assembled - 2.080 / 1.600 in Valves - 205 cc Intake - 60 cc Chamber - 1.580 in Springs - Small Block Ford 2205-SR-505 337007 Tube yokes are welded toProduct Description: Cylinder Head The Hammer Assembled 2. 080 1. 600 in Valves 205 cc Intake 60 cc Chamber 1. 580 in Springs Aluminum Small Block Ford Sold Individually Flo Tek manufactures aluminum cylinder heads for big block Chevys and small block Chevy and Fords. Each head comes preassembled with valves and springs.