Aeroflow 205cc Aluminium Heads Complete 58cc, 2.08"/1.60" Valves Fits SB Ford 289-302-351 Windsor

Complete Small Block Ford Windsor 289-351 203cc Aluminium Cylinder Heads with 58cc Chamber (Pair)

2.13" x 1.28" Intake Port, 1.40" x 1.40" Exhaust Port

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"