Speedmaster I Beam Pro 6.385" Connecting Rods for Chevy BBC 454 w/ ARP 2000 Bolts

The Speedmaster I Beam Pro Connecting Rods (MPN 1-274-036) are precision-engineered components designed specifically for Chevy big-block 454 engines. Featuring a 6.385" length with 2.200" big-end and .990" small-end bores, these rods are forged from 4340 steel for strength and durability during high-performance operation. Equipped with ARP 2000 bolts, they deliver reliable fastening for demanding engine builds and rebuild applications.

These connecting rods are an ideal choice for engine builders, performance enthusiasts, and mechanics restoring or upgrading Chevy BBC 454 powerplants. The I Beam design and robust 4340 material construction support extended service life in street and competition applications. Compatible specifically with the 454 big-block family, they integrate seamlessly into OEM and custom engine assemblies where connecting rod replacement or upgrade is required.

Key Features & Benefits

• I Beam Design: Optimized geometry for strength and light weight in high-performance engine applications.
• 4340 Steel Forging: Premium material provides durability and resistance to stress and fatigue.
• ARP 2000 Bolts: High-strength fasteners included for secure, reliable clamping.
• Chevy BBC 454 Fit: Direct fitment for big-block 454 engines in stock and modified builds.
• Precise Dimensions: 6.385" length with 2.200" big-end and .990" small-end bores for accurate engine assembly.

Specifications

Ideal Applications

• Engine rebuild or restoration of Chevy big-block 454 powerplants
• High-performance street engine upgrades and modifications
• Competition and racing engine builds requiring durable connecting rods
• Custom engine assembly and machine shop fabrication