E-street Aluminium Cylinder Heads ED5027

Suit Ford 289-351w, Springs to suit Solid Flat Tappet or Hyd Roller Cam Comes complete as a pair

ED5027

5027

Combustion chamber volume: 60cc Intake runner volume: 205cc Exhaust runner volume: 62cc Intake valve diameter: 2.08" Exhaust valve diameter: 1.60" Valve stem diameter: 11/32" Valve guides: Manganese Bronze Deck thickness: 5/8" Valve spring diameter: 1.46" Valve spring maximum lift: .650" Rocker stud: 3/8" Guide plate: Hardened steel Pushrod diameter: 5/16" Valve angle: 20° Exhaust port location: Stock Spark plug fitment: 14mm x 3/4 reach, gasket seat E-SERIES E-205 FORD FEATURES: Race-level performance while maintaining full compatibility with OEM equipment Features larger runners for increased airflow and revised exhaust ports and larger diameter springs for higher lift camshafts making it ideal for a spec series racer and larger displacement engines The exhaust port flange is in the stock location to allow for the use of off-the-shelf headers and hardware while the enlarged valves and ports support the power needed to compete at engine speeds of up to 6500 rpm Capable of supporting more than 500 naturally aspirated horsepower and even more in forced induction applications