AFR’s Street Hawk GEN III Cylinder Head is manufactured from A356 aluminum using permanent-mold technology for better port, chamber, and quality finishes. AFR's 195cc Street Hawk Gen III Hemi Aluminum Cylinder Heads features our street performance CNC ported intake runners, exhaust ports & combustion chambers. These 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. Equipped for use with hydraulic roller camshafts up to .600” of lift. The AFR Street Hawk GEN III cylinder heads are a perfect match to improve the performance of your stock or slightly modified 5.7L or 6.1L engine. Please see footnotes for additional information.
| Included Components | |
| AFR Street Performance CNC Exhaust Ports | |
| AFR Street Performance CNC Intake Runners | |
| AFR Street Performance CNC Combustion Chambers | |
| Competition 5-angle Valve Job | |
| 8mm Bead Lock Intake Valve 2.050” x 5.108” O.A.L. | |
| 8mm Bead Lock Exhaust Valve 1.590” x 5.135” 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° Titanium 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 | |
| 195cc Gen III Hemi CNC Flow Chart | |||||||
| .200 | .300 | .400 | .500 | .600 | .650 | .700 | |
| Int | 160 | 235 | 297 | 331 | 340 | 342 | 344 |
| Exh | 121 | 170 | 220 | 236 | 243 | 245 | 247 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| MSCA Minimum Cross Section Area |
2.422 in2
|
| Intake Port Volume |
195cc
|
| 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 |
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"
|
| CARB Status: THESE PRODUCTS ARE ILLEGAL TO OPERATE ON ANY PUBLIC HIGHWAY. THIS MEANS ANY PUBLIC PAVED OR UNPAVED ROADWAY OR IN A PUBLIC PARK. THESE PRODUCTS ARE ONLY 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. | |
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