FLOTEK Cylinder Head - Bare - 2.020 / 1.600 in Valves - 180 cc Intake - 64 cc Chamber - Straight Plug - Small Block Chevy HX02221 An additional locking bolt installs

An additional locking bolt installs into the axle tube to help prevent the bracket from turning

Seamless synthetic leather palm provides optimal dexterity and durability

Increase plenum volume

3/8" NPT ports (1 in

250/256 Advertised Duration

FLOTEK Cylinder Head - Bare - 2.020 / 1.600 in Valves - 180 cc Intake - 64 cc Chamber - Straight Plug - Small Block Chevy HX02221 An additional locking bolt installsProduct Description: Cylinder Head Bare 2. 020 1. 600 in Valves 180 cc Intake 64 cc Chamber Straight Plug Aluminum Small Block Chevy 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.