AFR 185cc Gen 3 5.7L/6.1L Hemi - As Cast - 69cc Chamber Driver 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 Street Hawk Cylinder Head is designed to meet the demands of today’s OEM and aftermarket engines. Featuring a .750” thick head deck, improved water jacketing for enhanced cooling, and a minimum .200” port to water jacket thickness, this cylinder head is built for performance. Optional machining for Hellcat supercharger bolt holes and dowel provisions is available. Designed for use with hydraulic roller camshafts up to .600” lift.

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)

185cc Gen III Hemi As Cast Flow Chart

Lift	.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

Technical Details

Material: A356 Aluminum
Intake Port Volume: 185cc
Exhaust Port Volume: 64cc
Combustion Chamber Size: 69cc
Deck Thickness: .750"
Valve Cover Bolt Pattern: Perimeter Bolt
Spark Plug Dimensions: 14mm x 1"

Important Notice

CARB Status: THESE PRODUCTS ARE ILLEGAL TO OPERATE ON ANY PUBLIC HIGHWAY. THEY ARE ONLY LEGAL FOR USE ON A DEDICATED RACING VEHICLE. VIOLATIONS MAY RESULT IN FINES, LOSS OF REGISTRATION, AND OTHER PENALTIES.