Speedmaster I Beam 6.535" Connecting Rods 5140 Steel Bronze Bush Chevy BBC 454

The Speedmaster PCE274.1019 is a set of I-beam connecting rods engineered for Chevy BBC 454 engines. Measuring 6.535" in length with a 2.200" big-end bore and .990" small-end bore, these rods are forged from 5140 steel and feature bronze bushings for reliable load transfer and durability in high-performance engine builds.

These connecting rods are designed for engine builders and enthusiasts who demand precision-machined components for big-block Chevy applications. The I-beam design provides an optimal balance of strength and light weight, while the bronze bush construction ensures proper bearing surface characteristics. Ideal for street and competition engine rebuilds where component quality and exact fitment specifications are critical.

Key Features & Benefits

• I-Beam Design: Optimized geometry for strength-to-weight ratio in high-performance applications.
• 5140 Steel Construction: Durable forged steel material engineered for reliable engine operation.
• Bronze Bush Bearings: Factory-installed bronze bushings provide proper bearing surface and load distribution.
• Chevy BBC 454 Fitment: Precision-engineered dimensions (6.535" length, 2.200" big end, .990" small end) for exact engine compatibility.
• Precision Machining: Manufactured to exacting standards for critical engine assembly requirements.

Specifications

Ideal Applications

• Engine rebuild and restoration for Chevy big-block 454 engines
• High-performance street engine builds requiring precision components
• Competition and racing engine assembly for BBC applications
• Engine reconditioning for vintage muscle cars and trucks