Lightened Crankshaft, 3.480-Inch Stroke, Internal Balance, 2-Piece Seal

This crankshaft is constructed from durable iron and features a 3.480-inch stroke, contributing to enhanced engine performance. It is designed for internal balance and utilizes a 2-piece seal for reliable operation. With 350 mains, this crankshaft is a quality upgrade for various engine builds. They emphasize quality and utilize state-of-the-art equipment and skilled craftsmen in their manufacturing process. All Eagle rods and crankshafts undergo thorough inspection and quality control to meet demanding application requirements. The brand offers a range of products, including premium forged 4340 crankshafts and H-Beam rods for high-performance builds, as well as quality cast steel cranks and I-Beam rods suitable for weekend racers. Eagle's commitment to quality has established them as the largest aftermarket connecting rod manufacturer globally. Their SIR Connecting Rods are forged from 5140 steel, available for press fit or floating pins, and offer up to a 50% increase in strength over stock. SIR I-Beam Rods are ideal for Pro-Street, IMCA, and stock-appearing rod classes. ESP H-Beam Connecting Rods provide essential strength and durability at a sportsman rod price, with rods weight-matched to within +/- 1 gram and subjected to multi-stage heat treatment, magna-fluxing, and sonic testing. Eagle cast cranks are presented as a superior alternative to stock, offered in various strokes, while their forged 4340 steel cranks provide maximum strength affordably. These forged cranks are made from a non-twist forging using certified 4340 steel, undergoing multi-stage heat treatment, X-ray, and sonic testing for quality assurance.