Speedmaster PCE274.1109 I-Beam Race Connecting Rods 5.430

The Speedmaster PCE274.1109 I-Beam connecting rods are precision-engineered forged components built for high-performance Honda B18C engine applications. Constructed from 4340 steel and featuring ARP bolts, these rods deliver the strength and reliability needed for forced-induction and high-RPM builds. With a 5.430" length, 1.771" big-end bore, and 0.827" small-end pin bore, they are specifically sized for B18C fitment and engineered to handle aggressive tuning and track use.

Ideal for engine builders and enthusiasts upgrading to forged connecting rod assemblies, these race-grade rods improve engine durability and power delivery under demanding conditions. The I-beam design optimizes strength-to-weight ratio, making them a trusted choice for naturally aspirated and turbocharged B-series builds. Whether you're building for autocross, road racing, or street performance, Speedmaster's PCE274.1109 rods provide the structural integrity required for sustained high-horsepower operation.

Key Features & Benefits

• 4340 Forged Steel: Premium 4340 forged steel construction provides superior strength and durability for high-RPM and forced-induction applications.
• ARP Bolts Included: Comes equipped with ARP bolts to ensure reliable fastening and maximum clamping force.
• I-Beam Design: Optimized I-beam profile balances strength and weight for improved engine performance.
• Honda B18C Specific: Precision-sized at 5.430" length with 1.771" big-end and 0.827" small-end bore for direct B18C engine fitment.
• Race-Grade Build: Engineered for high-performance applications including turbocharging, nitrous, and high-RPM builds.

Specifications

Ideal Applications

• Turbocharged and supercharged Honda B18C engine builds
• Naturally aspirated high-RPM performance upgrades
• Engine rebuilds and bottom-end reinforcement
• Track and autocross racing engines