FLOTEK Cylinder Head - 2.250/1.880" Valves - 320 cc Intake - 133 cc Chamber - 1.620" Springs - Aluminum - Big Block Chevy BR20004 Displays up to 20 different

Displays up to 20 different live sensor values at one time

changing times is easier and faster

Supplied with spacers to move the microphone position closer to the driver's mouth

Eliminate sag and bottoming out

General Purpose - Economy - Self-Lubricating

FLOTEK Cylinder Head - 2.250/1.880" Valves - 320 cc Intake - 133 cc Chamber - 1.620" Springs - Aluminum - Big Block Chevy BR20004 Displays up to 20 differentProduct Description: Cylinder Head Assembled 2. 250 1. 880 in Valves 320 cc Intake 133 cc Chamber 1. 530 in Springs Aluminum Big 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.