Speedmaster PCE274.1121 H Beam 4340 Connecting Rods for Chevy BBC 454 Engine

The Speedmaster PCE274.1121 is a precision-engineered H-beam connecting rod designed specifically for Chevy BBC 454 engines. Manufactured from 4340 steel with bronze bushings, these connecting rods deliver the strength and durability required for high-performance and racing applications. With dimensions of 6.435" length, 2.200" big end bore, and .990" small end bore, they are engineered to exacting standards for reliable power transfer and extended engine life.

These connecting rods are ideal for engine builders and performance enthusiasts upgrading or rebuilding BBC 454 powerplants. The 4340 steel material provides superior tensile strength compared to standard cast iron, while the bronze bushings ensure smooth operation and reduced wear. Whether you're building a street rod, performance truck, or racing engine, these Speedmaster rods offer the precision fit and quality construction needed for demanding automotive applications.

Key Features & Benefits

• 4340 Steel Construction: Premium 4340 steel material delivers superior strength and durability for high-performance engine applications.
• Bronze Bush Design: Bronze bushings provide smooth operation and reduced friction for reliable long-term performance.
• BBC 454 Fitment: Precision-engineered specifically for Chevy BBC 454 engines with exact dimensional specifications.
• H-Beam Profile: H-beam design maximizes strength-to-weight ratio, ideal for performance and racing builds.
• Exact Dimensions: 6.435" length, 2.200" big end bore, .990" small end bore for precise engine fitment.

Specifications

Ideal Applications

• High-performance BBC 454 engine builds and upgrades
• Racing and competition engine assembly
• Street rod and custom hot rod construction
• Performance truck engine rebuilds