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AFR – Airflow Research 0917 – AFR Small Block Chevy 180cc Eliminator Street Aluminum Cylinder Heads

$1,648.03

AFR – Airflow Research Model # 917

180cc Eliminator Street Aluminum Cylinder Heads

  • SB-Chevy
  • 75cc Combustion Chambers
  • Angle Plug
  • Assembled
  • Sold in Pairs, 2/pkg.
  • SKU: 0917. Categories: , .

    Product Description

    AFR – Airflow Research 0917 – AFR Small Block Chevy 180cc Eliminator Street Aluminum Cylinder Heads Details

    Angle Spark Plug Design

    • 180cc Intake Port
    • 64cc Exhaust Port
      Small Block Chevy 180cc Eliminator Basic Package Components Small Block Chevy 180cc Eliminator Street Head Specifications

      100% CNC Ported Combustion Chambers
      100% CNC Ported Exhaust Ports
      100% CNC Ported Intake Ports
      Competition 5-Angle Valve Job
      Intake Valve, 2.020” x 4.903” o.a.l.
      Exhaust Valve, 1.600” x 4.955” o.a.l.
      1.290” OD Hydraulic Roller Dual Valve Spring, 135 lbs. on seat, .600” maximum lift, max RPM 6300-6500
      7º Manley 4140 Chrome Moly Retainers
      7º Valve Locks
      3/8” Rocker Studs
      Adjustable 5/16” Guide Plates
      Viton Valve Seals
      Hardened Spring Cups
      Intake Valve Seats
      Exhaust Valve Seats
      Bronze Valve Guides
      Head Torque w/Moly Lube 65-70 Ft. Lbs.
      Rocker Stud Torque 55 Ft. Lbs.
      Intake Port Gasket, 1.230” x 1.990” w/ 3/8” radius Fel-Pro 1256 – DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket.
      Exhaust Port Gasket Fel Pro 1404
      Head Gasket 350ci Fel Pro 1003
      400ci Fel Pro 1014
      Head Bolts & Studs Standard ARP
      Head Bolt Washers Manley Standard
      Stud Girdle Standard
      Suggested Manifold Edelbrock p/n 350-3701
      Spark Plug Starting Range AC FR3LS or 41629
      Combustion Chambers 75cc
      Spring Pocket can be cut to 1.625, no deeper.
      Valve Spacing Standard GM L98
      Rocker Arms Standard
      Valve Angle 23°
      Angle Mill .008” per cc
      Flat Mill .006” per cc
      NOTE: Milling head deck will affect flow numbers.
      Angle mills might require a .120” thick head gasket.