SKU: EAGSIR6123CB
UPC: 793348069807
MPN: SIR6123CB
The SBM 5140 Forged I-Beam Rods 6.123in are designed for serious engine builders and high-performance enthusiasts looking to enhance their small-block engine setups. These forged connecting rods are built to withstand high RPMs, boost pressure, and nitrous applications, making them a reliable choice for those pushing their engines beyond stock limits.
Constructed from 5140 chromoly steel, these rods provide an excellent strength-to-weight ratio compared to cast alternatives while maintaining ductility under shock loads. The I-beam design optimizes load distribution and minimizes deflection under extreme combustion pressures. Additionally, the shot-peened surfaces enhance fatigue resistance, ensuring longevity in high-revving applications.
Engine builders upgrading from stock cast rods will experience significant improvements in durability and power handling, especially for those planning to operate at 6000+ RPM or using forced induction. Proper installation requires balancing with your specific crankshaft and pistons, and it is recommended to use aftermarket ARP-grade fasteners for optimal performance.
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