The Edelbrock #50459 E-Street cylinder 290 Oval Port head is designed for Big-Block applications. The Edelbrock E-Street cylinder head offers American made quality and affordable performance. E-Street cylinder head features as-cast ports and are designed Product Features:Oval Port Complete Single For Hydraulic Flat Tappet110cc Combustion Chamber Volume220cc Intake/110cc Exhaust Runner Volume2.19 in. Intake/1.88 in. Exhaust Valve Diameter0.562 in. Deck Thickness
