Ford FE 431, 4.080 Bore, 4.125 Stroke, 6.700 Rod, -26cc Inverted Dome (8.7:1 w/76cc) The perfect blend for street performance or street and strip. • Eagle Cast Steel Crankshaft • Eagle "Bushed" SIR I-Beam Rods • Mahle Forged Pistons • Moly Ring Set • King Performance Rod & Main Bearings |