Aluminum Assembled Cylinder Head - GM BB Compatible - 316cc

Overview: Get big power on a small budget with BluePrint Muscle Series cylinder heads! These lightweight aluminum heads bolt up to your big block Chevy and feature 316cc intake/124cc exhaust runners, 119cc combustion chambers, and 2.3" intake/1.880" exhaust valves. They're fully assembled with valve springs, retainers, locks, guide plates, studs, and seals. Manufacturer part number -PS8013. Maximum Output for Less Money! Designed and Produced by BluePrint Engines Fully Assembled with Heavy Duty Components Backed by Our Full 12-Month Limited Warranty Intake: Intake Runner Volume (cc): 316cc Intake Port Location: Standard Intake Port Shape: Rectangular Intake Valves Included: Yes Intake Valve Diameter (in): 2.3 in. CFM Port Flow Average @ 28"  .100" – 102 .200" – 171 .300" – 225 .400" – 272 .500" – 308 .600" - 331 Exhaust: Runner Volume (cc): CNC- 124cc Exhaust Valve Diameter (in): 1.880 in. Exhaust Valves Included: Yes Port Shape: D-Shape Exhaust Port Location: Raised approx. .3