Big Block Chevy 454 Alum Bare Rectangular Port Cylinder Head 2.250/1.880 123CC. Big Block Chevy 396-454-502 Aluminum Bare Cylinder Head. 2.250 Intake valves 1.880 Exhaust valves. Seats and Guides installed. 123cc Open combustion chamber. The item "Big Block Chevy 454 Alum Bare Rectangular Port Cylinder Head 2.250/1.880 123CC" is in sale since Thursday, April 22, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Cylinder Heads & Parts". The seller is "bluecricket45107" and is located in Blanchester, Ohio. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal,…