Afr 185cc Gen Iii 5.7l/6.1l Hemi Aluminum Cylinder Head, As Cast, 69cc Chamber, Driver Side

This is the all new AFR 185cc Black Hawk Gen III HEMI Aluminum As Cast Cylinder Head, 69cc Chamber, Driver Side. You will also need to order AFR part number 2510 to complete a pair of heads.

Compatible with Apache and Eagle engines produced from 2003 through 2023, Gen 3 Hemi 5.7L/6.1L Blocks Only

Manufactured from A356 aluminum using permanent-mold technology, AFR's 185cc As-Cast Black Hawk Gen III Hemi Aluminum Cylinder Heads are outfitted with our trademarked .750” thick head deck to meet the boost and power demands of today’s OEM and aftermarket engines. We have improved the water jacketing for enhanced cooling while retaining a minimum of .200” port to water jacket thickness. Machine option available to add bolt hole and dowel provisioning for Hellcat superchargers. Designed for use with hydraulic roller camshafts up to .600” of lift.

Note: This head will only work on 5.7L/6.1L blocks only
AFR Gen III Hemi heads are the highest flowing on the market, view the image with flow numbers attached.

Basic Package Components Part # As-Cast Exhaust Ports, As-Cast Combustion Chambers
As-Cast Intake Ports
Competition 5-angle Valve Job   8mm Bead Lock Intake Valve 2.050” x 5.108” O.A.L. AFR #7272  8mm Bead Lock Exhaust Valve 1.590” x 5.135” O.A.L. AFR #7273 PAC Racing Springs 1.290” OD Hydraulic Roller Dual Valve Drag Race Spring, 140 lbs. on seat, .600” maximum lift, Max RPM 6300-6500 AFR #8017 10° Chrome Moly Retainers 1.245” O.D x .880” I.D x .655” I.D AFR #8521 10° 8mm Valve Keepers with lashcap recess AFR #9009 Hardened Valve Spring Cup 1.380" O.D x 1.300" I.D x .570" I.D AFR#8042 Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep  AFR #9060 Exhaust Valve Seats 1.696" O.D x 1.35" I.D x .375" Deep  AFR #9073 Intake Bronze Valve Guides 8mm x 2.100" O.A.L  AFR #9051 Exhaust Bronze Valve Guides 8mm x 2.100" O.A.L  AFR #9051   Recommended Components Part # Intake Port Gasket OE Rubber Seal  Hellcat/Blower Intake Port Gasket
Important: Do not use your OE gasket as a template to port match your intake manifold.  68271246AA Exhaust Port Gasket  OE Head Gasket  OE Head Bolts / Studs  OE Rocker Arms (For Optimized Geometry)  OE Shaft Mount Rocker Arms T&D
Important: Do not use TD 8630 Adjustable Shaft Mount Rockers. Adjuster nut hits the valve cover and cannot be used. TD-8631  Suggested Manifold - Edelbrock EDL-7179  Spark Plug Starting Range Autolite AR-5324 Race Plug 
Specifications & Features Material A356 Aluminum MSCA Minimum Cross Section Area 2.422 in2 Intake Port Volume 185cc Intake Port Dimension 1.750"H x 1.850" Intake Port Location Stock Exhaust Port Volume 64cc Exhaust Port Dimension 1.550"H x 1.760" W Exhaust Port Location Stock Combustion Chamber Size (As-Cast) 69cc Valve Cover Bolt Pattern Perimeter Bolt Valve Angle Stock Valve Spring Pocket Diameter 1.625" Max Valve Spring Pocket Machining Do Not Machine Deck Thickness .750" Minimum Bore Diameter 3.197" Flat Mill .006" per cc/ Maximum 62cc as cast chamber Angle Mill .009" per cc/ Maximum 60cc as cast chamber Note: Angle mills might require a .120" Thick intake gasket. Spark Plug Dimensions 14mm x 1"

AFR-GEN-III-HEMI-Instructions-3.pdf