AFR's 210cc "Race Ready" and "Competition" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for race applications and aggressive street/ strip builds up to 400 cubic inches, operating up to 6500- 6800 RPM.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-angle Valve Job |
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8mm Bead Lock Intake Valve, 2.080" x 5.000" Overall Valve Length | |
8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length | |
PAC Racing Spring 1.550" OD Solid Roller Dual Valve Spring, 220 lbs on seat, .710" maximum lift, - 260* max recommended duration, Max RPM 7200-7400 | |
10° Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D | |
10° Bead Lock Valve Keepers | |
ARP 7/16" Rocker Studs | |
Adjustable 5/16" Guide Plates | |
Viton Valve Seals .600" O.D x .495" I.D | |
Hardened Valve Spring I.D Locator 1.550” O.D x .780” I.D | |
Ductile Iron Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep | |
Ductile Iron Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep | |
8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
210cc Race Ready™ Head Flow Chart | |||||||
.200 | .300 | .400 | .500 | .550 | .600 | .650 | |
Int | 145 | 199 | 248 | 285 | 301 | 309 | 311 |
Exh | 110 | 158 | 192 | 210 | 214 | 220 | 222 |
210cc Competition Head Flow Chart | |||||||
.200 | .300 | .400 | .500 | .550 | .600 | .650 | |
Int | 147 | 201 | 257 | 296 | 310 | 318 | 322 |
Exh | 120 | 160 | 214 | 225 | 229 | 235 | 237 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", intake 3/4" radius plate exhaust, 1 3/4" curved pipe
Specifications & Features: | |
Material |
A356 Aluminum
|
Intake Port Volume |
210cc
|
Intake Port Dimension |
2.200" H x 1.310" W x 3/8 Radius
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Intake Port Location |
Stock
|
Exhaust Port Volume |
80cc
|
Exhaust Port Dimension |
1.420" H x 1.545" W
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Exhaust Port Location |
.250" Raised
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Note: Angle mills might require .120" Thick intake gasket. | |
Combustion Chamber Size |
65cc or 75cc
|
Valve Cover Bolt Pattern |
Perimeter Bolt
|
Valve Angle |
23°
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Valve Spring Pocket Diameter |
1.580" O.D
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Max Valve Spring Pocket Machining |
1.750" O.D
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Warning: Do not machine spring pad any deeper. | |
Deck Thickness |
.750"
|
Minimum Bore Diameter |
4.000"
|
Flat Mill |
.006" per cc 60cc Maximum
|
Angle Mill |
.009" per cc 55cc Maximum
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Note: Angle mills might require .120" Thick intake gasket. | |
Minimum Cross Sectional Area |
Race Ready: 2.100 sp in, Comp 2.115 sq. in
|
Spark Plug Dimensions |
14mm x .750" w/Gasket Seat
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CARB Status: This product is not legal for sale or use on emission-controlled vehicles and intended for dedicated race vehicles only. |
Recommended Components: | |
Intake Gasket | |
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. | |
Exhaust Port Gasket | |
Head Gasket, 350cid Fel-Pro #1003 | |
Head Gasket, 400cid Fel-Pro #1014 | |
SB Chevy Head Bolt Kit, ARP #134-3701 | |
SB Chevy Head Stud Kit, 12 Point Nuts, ARP #234-4301 | |
Head Bolt Washers, Manley | |
AFR Stud Girdle | |
Suggested Manifold | |
Suggested Manifold | |
Spark Plug Starting Range |
Autolite 3922
|
Item# | Description | Qty. | MSRP | Your Price | ||
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1103 |
Chamber Size=65cc,Porting Finish=Competition |
$2,831.86 |
ADD TO CART
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1105 |
Chamber Size=75cc,Porting Finish=Competition,Spread Port=Yes |
$2,831.86 |
ADD TO CART
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1100 |
Chamber Size=75cc,Porting Finish=Competition |
$2,831.86 |
ADD TO CART
|
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1106 |
Chamber Size=65cc,Porting Finish=Competition,Spread Port=Yes |
$2,831.86 |
ADD TO CART
|
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1050 |
Chamber Size=75cc,Porting Finish=Race Ready |
$2,300.33 |
ADD TO CART
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1054 |
Chamber Size=65cc,Porting Finish=Race Ready |
$2,300.33 |
ADD TO CART
|
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1059 |
Chamber Size=65cc,Porting Finish=Race Ready,Spread Port=Yes |
$2,300.33 |
ADD TO CART
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1055 |
Chamber Size=75cc,Porting Finish=Race Ready,Spread Port=Yes |
$2,300.33 |
ADD TO CART
|
Footnotes
AFR Small Block Chevy
General Recommendations for AFR Cylinder Heads:
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