Speedmaster's I-Beam Pro connecting rods (PN 1-274-034) are precision-crafted from 4340 chromoly steel and engineered to deliver serious strength and durability in your Chevy Big Block 454 build. Featuring a 6.135" rod length, 2.200" big end bore, and 0.990" pin bore, these rods are dimensionally matched for a proper, performance-ready fit in BBC 454 applications.
Each rod comes equipped with ARP 2000 fasteners — a trusted upgrade over OEM hardware — providing the clamping force and fatigue resistance demanded by high-performance and race engine builds. The classic I-beam profile delivers an excellent balance of weight and rigidity, making this set a solid foundation for street-strip or track use in your Big Block Chevy.
MPN1-274-034
UPC840136502128
