FLOTEK Thumper Cylinder Head - Assembled - 2.020 in/1.600 in Valve - 185 cc Intake - 62 cc Chamber - 1.460 in Springs - Angle Plug - Small Block Ford R10004S CNC-formed steel plate

CNC-formed steel plate

GM B-Body 1961-65

1959-1975 Chrysler Imperial

tuned for each engine family and will dramatically reduce

XFI Street

FLOTEK Thumper Cylinder Head - Assembled - 2.020 in/1.600 in Valve - 185 cc Intake - 62 cc Chamber - 1.460 in Springs - Angle Plug - Small Block Ford R10004S CNC-formed steel plateProduct Description: Cylinder Head Thumper Assembled 2. 020 in 1. 600 in Valve 185 cc Intake 62 cc Chamber 1. 460 in Springs Angle Plug Aluminum Natural 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.