Speedmaster part number 1-274-009 delivers a set of I-beam connecting rods engineered for the Chevrolet Small Block 350 engine. Forged from 5140 chromoly steel, these rods measure 6.125" center-to-center length with a 2.100" big-end bore and a .927" pin bore, providing a direct-fit upgrade over stock rods for enthusiasts seeking improved strength and durability.
Each connecting rod comes pre-fitted with ARP 2000 rod bolts, offering enhanced clamping force and fatigue resistance compared to standard hardware — a critical advantage in high-performance and racing applications. Whether you're building a street performance or track-focused Small Block Chevy 350, these Speedmaster I-beam rods are a reliable foundation for a stronger rotating assembly.
