Speedmaster I-Beam 6.800" Connecting Rods 5140 Steel Bronze Bush for Chevy BBC 454

The Speedmaster PCE274.1020 I-beam connecting rods are precision-engineered components designed for big-block Chevy (BBC) 454 engine builds and rebuilds. These connecting rods feature a durable 5140 steel construction with bronze bushings, measuring 6.800" in length with a 2.200" bore and .990" pin diameter, delivering the strength and reliability required for high-performance engine applications.

These I-beam style connecting rods are ideal for engine builders and enthusiasts restoring or upgrading BBC 454 powerplants. The 5140 steel material provides excellent durability and fatigue resistance under demanding conditions, while the bronze bushing design ensures smooth operation and proper wear characteristics. Whether you're rebuilding a stock engine, creating a performance upgrade, or restoring a classic vehicle, these Speedmaster connecting rods deliver OEM-quality fitment and dependable service.

Key Features & Benefits

• 5140 Steel Construction: High-strength material provides fatigue resistance and durability for reliable engine performance.
• I-Beam Design: Optimized geometry reduces weight while maintaining structural integrity for efficient power delivery.
• Bronze Bushings: Precision bushings ensure smooth crankpin operation and proper bearing surface wear characteristics.
• BBC 454 Fitment: Engineered specifically for big-block Chevy 454 engines with exact OEM-specification dimensions.
• Precision Dimensions: 6.800" length, 2.200" bore, and .990" pin diameter for accurate engine assembly and performance.

Specifications

Ideal Applications

• BBC 454 engine rebuilds and restorations
• High-performance engine builds and upgrades
• Classic vehicle engine restoration and repair
• Stock engine replacement and maintenance