Afr Chevy 335cc Enforcer As-Cast Bbc Cylinder Head, 122cc Chambers, Diy No Parts

AFR is proud to announce the release of its NEW Enforcer series of As-Cast cylinder heads. Comprised of four new budget-friendly cylinder heads, these price conscience offerings do not come fully assembled. This DIY package contains no intake/exhaust valves, springs, retainers, rocker studs, and guide plates. You can contact us for specific parts from AFR to complete your cylinder head. For the pre-assembled/complete 335cc BBC Enforcer Head, check out the part number: AFR 3001. Sold as a single piece, 2 pieces required per engine.
AFR's 335cc BBC Enforcer Cylinder head features its Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allow for extremely accurate and repeatable port location/performance. This budget-friendly head is perfect for your 509 to 540 Cubic Inch operating below 6500 RPM. Sold as a single piece, 2 pieces required per engine. 335cc BBC Enforcer Flow Chart   .200 .300 .400 .500 .600 .700 Int 140 207 265 296 336 355 Exh 119 172 211 239 249 255 Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe Basic Package Components Part # 3-angle Valve Job
As Cast Combustion Chambers
As Cast Exhaust Ports
As Cast Intake Ports  
Specifications, Features, and Optional Supporting Components Head Material A356 Aluminum Intake Port Volume 325cc Intake Port Dimension 2.510"H x 1.820"W x 3/8" Radius Intake Port Location Stock Exhaust Port Volume 140cc Exhaust Port Dimension 1.690"H x 1.900" W Exhaust Port Location Raised.375" Combustion Chamber Size 122cc Valve Cover Bolt Pattern Perimeter Bolt Valve Angle 24°/4° Int, 15°/4° Exh Valve Spring Pocket Diameter 1.750" Max Valve Spring Pocket Machining 1.750" Warning::Do not machine spring pad any deeper.   Deck Thickness 0.45" Minimum Bore Diameter 4.25"
Intake Port Gasket AFR #6856 Exhaust Port Gasket AFR #6858 Head Gasket, Fel-Pro #1047 (Gen V and VI) AFR #6849 Head Gasket, Fel-Pro #1017-1 (Gen IV) AFR #6850 Head Bolts, ARP 135-3703 (Gen IV) AFR #6306 Head Bolts, ARP 135-3707 (Gen V) AFR #6306 Head Studs, ARP 235-4713 AFR #6307 Head Bolt Washers, Manley AFR #6320 Flat Mill .006" per cc/ Maximum 105cc As Cast Angle Mill .009" per cc/Maximum 100cc As Cast Suggested Manifold Victor Jr or Super Victor Spark Plug Starting Range Autolite 3924 Important: Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes. .
Note: Angle mills might require a .120" Thick intake gasket.