FLOTEK Cylinder Head - 2.250/1.880" Valves - 320 cc Intake - 133 cc Chamber - 1.620" Springs - Aluminum - Big Block Chevy BR20004 originally equipped with a return-style

originally equipped with a return-style EFI powered engine

General Purpose - Economy - Self-Lubricating

Eliminate sag and bottoming out

Use 308030 adapter to connect this TPS to a newer harness

FLOTEK Cylinder Head - 2.250/1.880" Valves - 320 cc Intake - 133 cc Chamber - 1.620" Springs - Aluminum - Big Block Chevy BR20004 originally equipped with a return-styleProduct 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.