AFR’s 180cc “Street” heads are a cost effective performance choice over re-worked factory heads. They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for street, towing, or street/strip engines with displacements up to 383 cubic inches, operating up to 6000 RPM. This product is street legal in 50 states for 1994 and older emissions controlled vehicles under CARB EO #D-250-2. AFR heads are available bare (without parts), call our tech line for details. 180cc Aluminum SBC Cylinder Heads Part # Plug Type Combustion Chamber 0911 Straight 75cc 0916 Straight 65cc 0917 Angle 75cc 0918 Angle 65cc 0919 * Angle 65cc 180cc Street Head Flow Chart .200 .300 .400 .500 Int 138 198 240 260 Exh 110 158 190 207
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