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Air Flow Research Cylinder Head Assembly 1121; Eliminator 227cc Aluminum 65cc for Chevy 262 to 400
$2,994.00
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Details
- 100% CNC Ported Combustion Chambers
- 100% CNC Ported Exhaust Ports
- 100% CNC Ported Intake Ports
- Competition 5-angle Valve Job
- 8mm Bead Lock Intake Valve, 2.100" 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, Max RPM 7200-7400
- Manley 10° Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D
- 10° Bead Lock Valve Keepers with lashcap recess
- 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
- 8mm Bronze Valve Guides .502" O.D x 2.100" O.A.L
- 8mm Bead Lock Intake Valve, 2.100" 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, Max RPM 7200-7400
- Manley 10° Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D
- 10° Bead Lock Valve Keepers with lashcap recess
- 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
- 8mm Bronze Valve Guides .502" O.D x 2.100" O.A.L
Product Description
AFRs 227cc Race Ready and Competition heads feature 100 percent CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. This head features 60/40 valve spacing and requires shaft mount rocker arms for optimum valve train geometry (can be used with .050 offset intake rockers for drag race only applications).
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Specifications
- Cylinder Head Assembly Series:
- Eliminator
- Make:
- Chevy
- Engine:
- 262 to 400
- Material:
- Aluminum
- Combustion Chambers:
- 65cc
- Intake Valve Diameter:
- 2.100 in.
- Exhaust Valve Diameter:
- 1.600 in.
- Spark Plug Angle:
- Angled
- Intake Runners:
- 227cc
- Exhaust Runners:
- 80cc
- Port Style:
- Raised 0.250 in. Exhaust
- Cam Type Recommended:
- Solid Roller
- Max Valve Lift:
- 0.710 in.
- Valve Spring OD:
- 1.550 in.
- Valve Spring Retainer Material:
- Chromoly
- Valve Material:
- Stainless Steel
- Notes:
- 23 deg Competition Package; Competition Porting
- Quantity:
- Sold As Pair
