Description

Head Specifications

Material:  A356 Aluminium
Chamber Chamber:  58cc
Intake Port Volume:  205cc
Intake Port Dimension:  2.13" x 1.28"
Exhaust Port Volume:  71cc
Exhaust Port Dimension:  1.40" H x 1.40" W
Exhaust Port Location:  Raised .250"
Spark Plug Location:  OEM
Intake Valve Diameter:  2.08"
Exhaust Valve Diameter:  1.60"
Valve Stem Diameter:  8mm
Valve Spring Pocket I.D.:  1.64"
Valve Guide Material:  Manganese Bronze
Valve Guide O.D.:  .490" (.560"at base)
Rocker Stud Thread Size: 7/16" x 14
Valve Angle:  20°
Deck Thickness:  .750"

Specifications

  • Cylinder Head Configuration: Complete / Assembled
  • Engine: 289-302W, 351W
  • Highlighted Product Item: No
  • Installed Components: Installed Components

    Intake Valves: 2.08" x 5.00" x 8mm, part no. AF59-3030
    Exhaust Valves: 1.60" x 5.03" x 8mm, part no. AF59-3031
    Valve Springs: 1.575" Dual spring
    Valve Retainers: 10° 8mm
    Valve Locks: 10° 8mm
    Valve Seals: 8mm x .502" Viton
    Rocker Arm Studs: 7/16"-14 x 7/16"-24, part no. AF59-3026
    Push Rod Guide Plates: 5/16" Flat, part no. AF59-3027

Compatibility

  • Small Block Ford;
Head Specifications

Material:  A356 Aluminium
Chamber Chamber:  58cc
Intake Port Volume:  205cc
Intake Port Dimension:  2.13" x 1.28"
Exhaust Port Volume:  71cc
Exhaust Port Dimension:  1.40" H x 1.40" W
Exhaust Port Location:  Raised .250"
Spark Plug Location:  OEM
Intake Valve Diameter:  2.08"
Exhaust Valve Diameter:  1.60"
Valve Stem Diameter:  8mm
Valve Spring Pocket I.D.:  1.64"
Valve Guide Material:  Manganese Bronze
Valve Guide O.D.:  .490" (.560"at base)
Rocker Stud Thread Size: 7/16" x 14
Valve Angle:  20°
Deck Thickness:  .750"
  • Cylinder Head Configuration: Complete / Assembled
  • Engine: 289-302W, 351W
  • Highlighted Product Item: No
  • Installed Components: Installed Components

    Intake Valves: 2.08" x 5.00" x 8mm, part no. AF59-3030
    Exhaust Valves: 1.60" x 5.03" x 8mm, part no. AF59-3031
    Valve Springs: 1.575" Dual spring
    Valve Retainers: 10° 8mm
    Valve Locks: 10° 8mm
    Valve Seals: 8mm x .502" Viton
    Rocker Arm Studs: 7/16"-14 x 7/16"-24, part no. AF59-3026
    Push Rod Guide Plates: 5/16" Flat, part no. AF59-3027
  • Small Block Ford;

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