AFR – Airflow Research 1001 Fully Assembled 195cc Enforcer Cylinder Head Straight Plug for Small Block Chevy

Fully Assembled 195cc Enforcer Cylinder Head 195cc Intake Port Volume Straight Plug 64cc Combustion Chamber 23 Degree Valve Angle A356 Aluminum Sold Individually Breakdown of Included Items Flow Chart AFR 1001 Enforcer Aluminum Head Features: For 350 to 400ci engines operating below 6000 rpm For .600 lift hydraulic roller Intake Port Volume: 195cc Intake Port Dimension: 2.080 in. H x 1.270 in. x 5/16 in. Radius Intake Port Location: Stock Exhaust Port Volume: 76cc Exhaust Port Dimension: 1.380 in. H x 1.420 in. W Exhaust Port Location: Stock Valve Cover Bolt Pattern: Perimeter Bolt Valve Spring Pocket Diameter: 1.580 in. O.D Max Valve Spring Pocket Machining: 1.600 in. O.D Deck Thickness: .450 in. Minimum Bore Diameter: 4.000 in. Reduce Combustion Chamber Size 1 cc by Flat-Milling .006 in. from Deck Surface Maximum Mill .048 in. to achieve 56 cc.