Afr Ford 185cc Enforcer As-Cast Sbf Cylinder Head, 64cc Chambers, Assembled

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 come fully assembled and use the same high quality components found in their higher end CNC ported cylinder head, such as ARP rockers studs, PAC Racing springs, Viton valve seals, hardened spring cups, ductile Iron seats, AFR adjustable guide plates and their Stainless Steel valves. Sold as a single piece, 2 pieces required per engine.
AFR's 185cc SBF Enforcer Cylinder head features their 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 302 to 363 Cubic Inch operating below 6000 RPM. The all-new SBF 185cc Enforcer cylinder head features 2.020" intake valves, 1.600" exhaust valves and will come assembled with their 8017 springs; which are compatible with hydraulic roller or "Street" solid flat tappet camshafts. The head requires a 3/8" stud mounted rocker and is good for up to 0.600" of lift and approximately 6,500 RPM when used with a hydraulic roller camshaft. They come fully assembled with the identical components found in their higher-end CNC ported cylinder head; such as ARP rockers studs, PAC Racing Springs, Viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups and ductile iron seats (not powdered metal) their one-piece 8mm 21 4N Stainless Steel valves. They are available bare without any parts for the DIY.

Sold as a single piece, 2 pieces required per engine. 185cc Street Head Flow Chart   .200 .300 .400 .500 .550 .600 Int 119 177 225 255 257 260 Exh 105 143 163 166 168 170 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 # As Cast Combustion Chambers
As Cast Exhaust Ports
As Cast Intake Ports
3-angle Valve Job   8mm Bead Lock Intake Valve, 2.020" x 5.000" Overall Valve Length AFR #7257 8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length AFR #7254 PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 (upgrades available) AFR #8017 7° Manley Steel Retainers 1.245" O.D x .885" I.D x .655" I.D AFR #8514 7° Bead Lock Valve Keepers AFR #9007 ARP 3/8" Rocker Studs AFR #6409 Adjustable 5/16" Guide Plates AFR #6103 Viton Valve Seals .675" O.D x .513" I.D AFR #6614 Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D AFR #8042
Specifications, Features, and Optional Supporting Components Head Material A356 Aluminum Intake Port Volume 185cc Intake Port Dimension 2.010" H x 1.070" W x 5/16 Radius Intake Port Location Stock Exhaust Port Volume 64cc Exhaust Port Dimension 1.370" H x 1.350" W Exhaust Port Location Stock Combustion Chamber Size  64cc Valve Angle 20° Valve Spring Pocket Diameter 1.540" O.D Max Valve Spring Pocket Machining 1.600" O.D Deck Thickness .325" Minimum Bore Diameter 4.000" Spark Plug Dimensions 14mm x .750" w/Gasket Seat Intake Port Gasket AFR #6911 Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit the AFR head.   Exhaust Port Gasket AFR #6915 Head Gasket, 302/351W, Fel-Pro #1011-1 AFR #6808 SB Ford 1/2" Bolt Head Bolts, ARP #154-3603 AFR #6318 SB Ford 1/2" Bolt Head Studs, ARP #254-4503 AFR #6317 1/2" Bolt - 7/16" Thread Head Bolts, 289/302W: ARP 254-3708 AFR #6319 Head Bolt Washers, Manley AFR #6320 Flat Mill .006" per cc 54cc Max (from 64cc) Suggested Manifold AFR #4830 Spark Plug Starting Range Autolite 3924 Important: Do not port match you intake manifold to any Fel-Pro gasket as it does not precisely match AFR heads.
Note: Milling head deck will affect flow numbers.