4.125 Inch Bore; Flat Top With Two Relief Valves; Compression Distance 1.245 Inches; 0.927 Inch Pin; 1.5 Millimeter/3.0 Millimeter Ring Pack; Eagle H-Beam Steel Connecting Rod-6.200 Inch Length; 2.0 Inch rod Journal Size; Use With M-6303-374 Forged Crankshaft