The ultimate OE replacement or stock rebuild cylinder head for you 5.7/6.1L Gen 3 Hemi. Manufactured from A356 aluminum using permanent-mold technology, AFR's 185cc As-Cast Enforcer Gen 3 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. Please see footnotes for additional information.
Specifications & Features:
- Material: A356 Aluminum
- Minimum Cross Section Area: 2.877 in2
- Intake Port Volume: 212cc
- Intake Port Dimension: 1.91" W x 1.91" H
- Intake Port Location: Stock
- Exhaust Port Volume: 64cc
- Exhaust Port Dimension: 1.865" W x 1.285" H
- Exhaust Port Location: Stock
- Combustion Chamber Size: 69cc
- Valve Cover Bolt Pattern: Stock
- 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"
Included with Complete Cylinder Heads:
- 100% CNC Exhaust Ports, 100% CNC Combustion Chambers
- Competition 5-angle Valve Job
- 8mm Bead Lock Intake Valve 2.125” x 5.135” O.A.L.
- 8mm Bead Lock Exhaust Valve 1.650” x 5.150” O.A.L.
- PAC Racing Springs 1.290” OD Hydraulic Roller Dual Valve Drag Race Spring, 140 lbs. on seat, .600” maximum lift, Max RPM 6300-6500 (upgrades available)
- 10° Chomoly Retainers 1.245” O.D x .885” I.D x .655” I.D
- 10° 8mm Valve Keepers with lashcap recess
- Hardened Valve Spring Cup 1.380" O.D x 1.300" I.D x .570" I.D
- Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep
- Exhaust Valve Seats 1.696" O.D x 1.35" I.D x .375" Deep
- Intake Bronze Valve Guides 8mm x 2.100" O.A.L
- Exhaust Bronze Valve Guides 8mm x 2.100" O.A.L
Recommended Components:
Intake Manifold Gaskets:
- 2003-2008 5.7L 53032382AB
- 2009-2024 5.7L VVT 53022143AB
- 2005-2010 6.1L 05037503AA
Important: Do not use your OE gasket as a template to port match your intake manifold.
Exhaust Manifold Gaskets:
- 2003-2008 5.7L 53013943AA / 53103944AA
- 2009-2024 5.7L VVT 05045496AA / 05045495AA
- 2005-2010 6.1L 05038098AA / 05038099AA
Head Gaskets:
- 2003-2008 5.7L 53021620BC / 53021621BC
- 2009-2024 5.7L VVT 53022306AC / 53022307AC
- 2005-2010 6.1L 05037592AC
CARB Status: DEPENDING ON INDIVIDUAL STATES EMISSIONS REGULATIONS PRODUCTS LIKE THIS MAY BE ILLEGAL TO OPERATE ON ANY PUBLIC HIGHWAY. THIS MEANS ANY PUBLIC PAVED OR UNPAVED ROADWAY OR IN A PUBLIC PARK. THESE PRODUCTS ARE ONLY CONFIRMED TO BE LEGAL IF USED ON A DEDICATED RACING VEHICLE. VIOLATION ARE SUBJECT TO A MAXIMUM PENALTY OF $37,500 PER VIOLATION PER VEHICLE, REVOCATION OF REGISTRATION BY DMV, LOSS OF USE ON PUBLIC RIGHT OF WAYS AND PROOF OF CORRECTION OF THE TAMPERING.
