Engine Compatibility: Chevy Small Block V8 327-400 Cubic Inch. Combustion Chamber Volume (cc): 70 Cubic Centimeter. Intake Runner Volume (CC): 195 Cubic Centimeter. Exhaust Runner Volume (CC): 85 Cubic Centimeter. Developed By Industry Leading Performance Cylinder Head Designers. Cast, Machined And Assembled In The USA With Aluminum Alloy. The Latest Port Designs For Maximum Efficiency And Increased Power. Improved STOCK EXHAUST Port Location For Better Header Fitment. For this reason, we usually cannot cancel an order once it's placed... Compatibility chart and application-specific wording in this listing are based specifically for USA market vehicles. Fitment is not guaranteed on international vehicles, as many manufacturers use region-specific options. Please do not…