FLOTEK Cylinder Head - 2.250/1.880" Valves - 320 cc Intake - 133 cc Chamber - 1.620" Springs - Aluminum - Big Block Chevy 200400108 Carb recommendations: Machined for 4150

Carb recommendations: Machined for 4150 style carburetorsSince 1938

Polished Billet Aluminum Horn Button

Cellulose Element

Conformable perforated core graphite design

and more flow

FLOTEK Cylinder Head - 2.250/1.880" Valves - 320 cc Intake - 133 cc Chamber - 1.620" Springs - Aluminum - Big Block Chevy 200400108 Carb recommendations: Machined for 4150Product 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.