Speedmaster I-Beam 6.385" Connecting Rods for Chevy BBC 454 with ARP 2000 Bolts

The Speedmaster I-Beam 6.385" Connecting Rods (model 1-274-012) are precision-engineered rods designed specifically for Chevy BBC 454 big-block engines. Featuring 5140 alloy steel construction with a robust I-beam profile and 2.200" big-end bore diameter, these rods deliver the strength and reliability required for high-performance engine builds. Pre-equipped with ARP 2000 bolts, they arrive ready to install without additional fastener sourcing.

These connecting rods are ideal for engine rebuilds, performance upgrades, and custom engine assembly on classic and muscle cars. The 5140 material provides excellent tensile strength and fatigue resistance, making them suitable for both street and moderate racing applications. The .990" small-end diameter ensures proper fitment with standard BBC 454 wrist pins, simplifying the build process and ensuring compatibility across compatible engine blocks.

Key Features & Benefits

• 5140 Alloy Steel: High-strength material provides durability and fatigue resistance for demanding engine applications.
• I-Beam Design: Optimized rod profile balances strength with weight for improved engine performance.
• ARP 2000 Bolts Included: Pre-assembled with premium fasteners, eliminating the need for separate bolt sourcing.
• BBC 454 Specific: Engineered for precise fitment on Chevy big-block 454 engines with 6.385" length and 2.200" big-end bore.
• Ready to Install: Complete assembly arrives with all necessary fasteners for direct engine assembly.

Specifications

Ideal Applications

• BBC 454 engine rebuild and restoration projects
• High-performance street engine builds
• Custom engine assembly for classic cars and hot rods
• Engine upgrade and performance modification applications