The Speedmaster PCE274.1108 I Beam connecting rods are precision-engineered race components designed for Honda B18B engine builds. Manufactured from 4340 steel with I-beam geometry, these connecting rods deliver the strength and reliability required for high-performance and racing applications. The 5.394" length and precision tolerances (.827" pin bore, 1.771" big end) ensure proper fitment and optimized engine dynamics for B18B-equipped vehicles.
These connecting rods are ideal for builders seeking to upgrade stock engine internals with aftermarket race components. The I-beam design balances weight savings with structural integrity, while the 4340 steel material provides superior durability under high RPM and load conditions. Commonly used in Honda B-series engine swaps, turbo conversions, and competition builds, the PCE274.1108 rods support increased power output and extended engine longevity in demanding applications.
Key Features & Benefits
- 4340 Steel Construction: Forged from premium 4340 steel for exceptional strength and durability in high-performance engine applications.
- I-Beam Design: Optimized I-beam geometry balances weight reduction with structural rigidity for race-level performance.
- Honda B18B Fitment: Precision-engineered to exacting tolerances for direct compatibility with Honda B18B engines.
- Race-Grade Quality: Purpose-built connecting rods designed for competitive racing and high-output engine builds.
Specifications
| Brand | Speedmaster |
| Model/MPN | PCE274.1108 |
| Application | Honda B18B |
| Rod Length | 5.394" |
| Big End Bore | 1.771" |
| Pin Bore Diameter | .827" |
| Material | 4340 Steel |
| Design Type | I Beam |
Ideal Applications
- Honda B18B engine rebuilds and performance upgrades
- High-RPM race engine builds and competition applications
- Turbo and supercharger engine conversions
- Street and track performance engine builds