AFR - Airflow Research 2110-1: 345cc Rectangle Port 24° Magnum Aluminum Cylinder Heads BB-Chevy
100% CNC Combustion Chamber Package
345cc Rectangle Port 24° Magnum Aluminum Cylinder Heads BB-Chevy 121cc Combustion Chambers 1.625'' Valve Spring 275 lbs. Seat Pressure .850'' Max Lift 100% CNC Combustion Chambers Assembled Sold in Pairs, 2/pkg.