Speedmaster PCE274.1017 I Beam 6.135" Connecting Rods 5140 Bronze Bush Chevy BBC 454

The Speedmaster PCE274.1017 is a precision I Beam connecting rod designed specifically for Chevy BBC 454 big-block engines. Manufactured from 5140 steel with bronze bush construction, these connecting rods deliver the strength and durability required for high-performance engine builds. The 6.135" length, 2.200" big end bore, and .990" small end diameter are optimized for proper fitment and alignment in BBC 454 applications.

These connecting rods are ideal for performance enthusiasts and engine builders looking to upgrade or rebuild BBC 454 engines with OEM-equivalent or high-performance specifications. The bronze bush design reduces friction and wear while maintaining precise clearances. Whether you're restoring a classic muscle car, upgrading a marine engine, or building a performance package, these Speedmaster rods provide the reliability and precision needed for dependable operation and longevity.

Key Features & Benefits

• I Beam Design: Lightweight yet rigid construction optimized for BBC 454 engine applications.
• 5140 Steel Material: High-strength steel alloy engineered for durability and load capacity.
• Bronze Bush Small End: Reduced friction design with precise bushing for optimal pin clearance and wear resistance.
• Exact Fitment: 6.135" length with 2.200" big end and .990" small end diameters for direct BBC 454 compatibility.
• Speedmaster Quality: Purpose-built performance component meeting engine rebuild standards.

Specifications

Ideal Applications

• BBC 454 engine rebuilds and restorations
• Performance engine upgrades for classic muscle cars
• Marine engine applications using BBC 454 blocks
• High-performance engine builds and racing applications