Speedmaster PCE274.1121 H-Beam connecting rods are engineered from premium 4340 chromoly steel and feature a 6.435-inch rod length, 2.200-inch big-end bore, and 0.990-inch pin bore diameter. Bronze bushings in the small end provide superior wrist-pin lubrication and durability under high-performance and racing conditions, making these rods a reliable upgrade over stock cast connecting rods.
Designed to suit Chevrolet Big Block 454 applications, these H-beam rods deliver the strength and rigidity needed for increased horsepower builds while maintaining dimensional accuracy for proper fitment. Whether you're building a street/strip performer or a dedicated race engine, the Speedmaster PCE274.1121 rods offer an excellent balance of strength, weight, and value for your BBC build.