Competition 195cc Small Block Chevy Cylinder Heads

The AFR 195cc "Competition" Small Block Chevy Race Cylinder Heads (part #1094-716) are precision-engineered for demanding high-performance street and street/strip applications. These heads are built using durable A356 aluminum castings and feature 100% CNC ported intake, exhaust, and combustion chambers to maximize airflow and support peak power output in engines up to 400 cubic inches, typically operating between 6500-6800 RPM. Key specifications include a 195cc intake port volume, a 64cc exhaust port volume, and a choice of 65cc or 75cc combustion chambers. The valve angle is set at 23°, with a deck thickness of .750" and a minimum bore diameter of 4.000". The included components are designed for high-performance use, featuring 8mm bead lock valves, PAC Racing dual valve springs rated for .650" max lift and 7000-7200 RPM, 7° chrome moly retainers, 7° bead lock valve keepers, ARP rocker studs, adjustable guide plates, and Viton valve seals. Flow testing conducted at 28" of water pressure on a Superflow 1020 with a 4.060" bore size shows impressive intake flow rates, peaking at 308 CFM at .600" lift, and exhaust flow rates peaking at 233 CFM at .600" lift. These heads are recommended for displacements up to 400 cubic inches and are designed for aggressive street and street/strip applications, aiming to provide superior power gains. It is important to note that this product is not legal for sale or use on emission-controlled vehicles and is intended for dedicated race vehicles. Always check piston-to-valve clearance when using dome pistons.