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AFR – Airflow Research 1136 – AFR Small Block Chevy 235cc Eliminator Race Aluminum Cylinder Heads

AFR – Airflow Research# 1136

235cc Eliminator Race Aluminum Cylinder Heads

  • SB-Chevy
  • Competition Package CNC Porting
  • 80cc Combustion Chambers
  • Spread Exhaust Port Configuration
  • Angle Spark Plug
  • Assembled
  • Sold in Pairs, 2/pkg.

    SKU: 1136. Categories: , .

    Product Description

    FR – Airflow Research 1134 – AFR Small Block Chevy 235cc Eliminator Race Aluminum Cylinder Heads Details

    Competition Package CNC Porting Eliminator Heads


    • Spread Exhaust Port Configuration



    Small Block Chevy 235cc Eliminator Race Basic Package Components

    100% CNC Ported Combustion Chambers
    100% CNC Ported Exhaust Ports
    100% CNC Ported Intake Ports
    Competition 5-Angle Valve Job
    Intake Valve, 2.125” x 5.006” o.a.l.
    Exhaust Valve, 1.600” x 5.024” o.a.l.
    1.550” OD Solid Roller Dual Valve Spring, 225 lbs. on seat, .710” maximum lift, max RPM 7200-7400
    10º Manley 4140 Chrome Moly Retainers
    10º Valve Locks
    7/16” Rocker Studs
    Adjustable 5/16” Guide Plates
    Viton Valve Seals
    Hardened Spring Cups
    Intake Valve Seats
    Exhaust Valve Seats
    Bronze Valve Guides
    Small Block Chevy 235cc Eliminator Race Head Specifications
    Head Torque w/Moly Lube 65-70 Ft. Lbs.
    Rocker Stud Torque 55 Ft. Lbs.
    Intake Port Gasket, 1.310” x 2.180” w/ 3/8” radius Fel-Pro 1206 – DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket.
    Exhaust Port Gasket Fel Pro 1405
    Head Gasket 350ci Fel Pro 1004
    400ci Fel Pro 1014
    Head Bolts & Studs Standard ARP
    Head Bolt Washers Manley Standard
    Stud Girdle AFR Offset 6208
    Suggested Manifold AFR 4801, AFR 4802 or Edelbrock Vic Jr 2975 or Super Victor 2925
    Spark Plug Starting Range Autolite 3910
    Combustion Chambers 80cc
    Intake Port 235cc
    Exhaust Port 80cc+
    Spring Pocket can be cut to 1.680, no deeper.
    Valve Spacing 60/40
    Rocker Arms .450” Offset / Shaft Mount
    Valve Angle 23°
    Angle Mill .008” per cc
    Flat Mill .006” per cc
    NOTE: Flat and Angle mills might require a .120” thick head gasket.