Engineered for high-performance Chevy Big Block 454 applications, the Speedmaster PCE274.1086 I-Beam connecting rods are forged from 4340 chromoly steel for exceptional strength and durability under race conditions. Featuring a 6.385" rod length, 2.200" big end bore, and .990" pin bore, these rods are precision-machined to tight tolerances and fitted with bronze bushings for superior wrist pin support and longevity.
The I-beam design provides an outstanding balance of weight reduction and structural rigidity, making these connecting rods an ideal upgrade for street/strip and full race BBC 454 builds. Bronze bushings allow compatibility with full-floating piston pin setups, giving engine builders the flexibility needed for serious power applications. Trust Speedmaster's PCE274.1086 rods to deliver reliable performance when it matters most.
