AFR2110-1
AFR’s 345cc heads are designed feature partially CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for more radical street/strip, “Pro Street”, or racing builds with displacements up to 572 cubic inches, operating up to 7000 RPM. These heads are capable of flowing 401 CFM at 0.700" of lift. AFR heads are available bare (without parts), call our tech line for details. Please see footnotes for additional information.
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.
| 345cc Aluminum BBC Cylinder Heads | ||
|---|---|---|
| Part # | Description | Combustion Chamber |
| 2110 | CNC Bowl Blend & Partial CNC Chamber | 117cc |
| 2110-1 | CNC Bowl Blend & Fully CNC Chamber | 121cc |
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| 345cc BBC Partial CNC Chamber Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .600 | .700 | |
| Int | 149 | 221 | 280 | 322 | 360 | 382 |
| Exh | 129 | 184 | 222 | 251 | 259 | 264 |
| 345cc BBC Full CNC Chamber Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .600 | .700 | |
| Int | 157 | 231 | 289 | 336 | 365 | 375 |
| Exh | 138 | 193 | 236 | 253 | 262 | 266 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.500", intake 3/4" radius plate exhaust, 2 1/8" curved pipe
| Included Components | |
| 100% CNC Ported Combustion Chambers | |
| 100% CNC Ported Exhaust Ports | |
| 100% CNC Ported Intake Ports | |
| Competition 5 Angle Valve Job | |
| 11/32" Intake Valve, 2.300" x5.500" O.A.L | |
| 11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | |
| PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
| 10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D | |
| 10° 11/32" Valve Locks with lashcap recess | |
| ARP 7/16” Rocker Studs Intake | |
| ARP 7/16” Rocker Studs Exhaust | |
| Adjustable 3/8" Guide Plates | |
| 11/32" Viton Valve Seals | |
| Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
| Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
| Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
| 11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
| 11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L | |
| Recommended Components: | |
| Intake Port Gasket |
AFR #6854 (.120" Thick)
|
| Intake Port Gasket |
AFR #6856 (.060" Thick)
|
| Important: Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes. | |
| Head Gasket |
Fel-Pro #1017-1 (Mark IV) or AFR #6850
|
| Head Gasket |
Fel-Pro #1047 (Mark V and VI) or AFR #6849
|
| Head Bolts |
ARP 135-3703 (Mark IV) or AFR #6306
|
| Head Bolts |
ARP 135-3707 (Mark V) or AFR #6308
|
| Head Studs |
ARP 235-4713 or AFR #6307
|
| Head Bolt Washers |
Manley, AFR #6320
|
| Stud Girdle, (AFR Specific) | |
| 7/16 Stud Mount Rocker Arms - 1.7 Ratio (For Optimized Geometry) | |
| 1.7 Shaft Mount Rocker Arms T&D | |
| Shaft Mount Rocker Arms |
Crower or Jesel Pro Series
|
| Suggested Manifold |
Victor Jr
|
| Suggested Manifold |
Super Victor
|
| Spark Plug Starting Range |
Autolite 3924
|
| Note: 1” longer head bolt needed on four bottom exhaust bolt holes. | |
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| Intake Port Volume |
345cc
|
| Intake Port Dimension |
2.435"H x 1.765"W x 13/32° Radius
|
| Intake Port Location |
Stock
|
| Exhaust Port Volume |
132cc
|
| Exhaust Port Dimension |
1.720"H x 1.920" W
|
| Exhaust Port Location |
.375" Raised
|
| Combustion Chamber Size (As Cast) |
117cc
|
| Combustion Chamber Size (Full CNC) |
121cc
|
| Valve Cover Bolt Pattern |
Perimeter Bolt
|
| Valve Angle |
24°/4° Int, 15°/4° Exh
|
| Valve Spring Pocket Diameter |
1.725" O.D
|
| Max Valve Spring Pocket Machining |
1.750" O.D
|
| Deck Thickness |
.750"
|
| Minimum Bore Diameter |
4.250"
|
| Flat Mill |
.006" per cc/ Maximum 108cc As Cast or 114cc CNC Chamber
|
| Angle Mill |
.009" per cc/Maximum 104cc As Cast or CNC Chamber
|
| Note: Angle mills might require a .120" Thick intake gasket. | |
| Minimum Cross Sectional Area |
3.263 sq. in.
|
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat
|
| 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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