AFR 185cc Gen 3 5.7L/6.1L Hemi - As Cast - 69cc Chamber Passenger Side

The ultimate OE replacement or stock rebuild cylinder head for your 5.7/6.1L Gen III Hemi. Manufactured from A356 aluminum using permanent-mold technology, AFR's 185cc As-Cast Black Hawk Gen III Hemi Aluminum Cylinder Heads feature a robust .750” thick head deck to handle the boost and power demands of today’s OEM and aftermarket engines. Enhanced water jacketing improves cooling while retaining a minimum of .200” port-to-water jacket thickness. Optional machining is available to add bolt hole and dowel provisioning for Hellcat superchargers. Designed for hydraulic roller camshafts up to .600” lift. Please see footnotes for additional details.

Included Components

As-Cast Intake Ports
As-Cast Exhaust Ports
CNC Combustion Chambers
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” max 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)

Flow Chart (185cc Gen III Hemi As Cast)

Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe

Lift (in.)	.200	.300	.400	.500	.550	.600	.650
Intake (CFM)	160	234	293	324	330	332	334
Exhaust (CFM)	123	167	207	218	220	221	222

Specifications & Features

Material: A356 Aluminum
Intake Port Volume: 185cc
Exhaust Port Volume: 64cc
Combustion Chamber Size: 69cc
Deck Thickness: .750"
Valve Angle: Stock
Flat Mill: .006" per cc/ Max 62cc
Angle Mill: .009" per cc/ Max 60cc
Spark Plug Dimensions: 14mm x 1"

Legal Notice

These products are illegal to operate on any public highway. They are only legal if used on a dedicated racing vehicle. Violations may result in fines and registration penalties.