Speedmaster PCE274.1071 I-Beam Race Connecting Rods 6.100" Chevy LS 4340 Bronze Bush

The Speedmaster PCE274.1071 is a high-performance I-Beam connecting rod engineered for Chevy LS engine builds. These race-grade rods feature a 6.100" length with 2.100" bore and .927" wrist pin diameter, constructed from 4340 steel with bronze bushings for durability and reliability in demanding engine applications. The I-Beam design provides an optimal balance of strength and lightweight construction, making them ideal for naturally aspirated and forced-induction LS engine platforms seeking improved power output and engine longevity.

These connecting rods are purpose-built for engine builders and enthusiasts upgrading beyond factory components. The 4340 steel material and precision bronze bushing construction ensure consistent performance under high RPM and high-load conditions. Compatible with Chevy LS engine families, the PCE274.1071 rods are a critical component for engine rebuilds, performance upgrades, and racing applications where reliability and precision fitment are essential.

Key Features & Benefits

• 4340 Steel Construction: Forged from 4340 steel for strength and durability in high-performance engine builds.
• I-Beam Design: Lightweight yet rigid structure optimizes power delivery and engine efficiency.
• Bronze Bushings: Precision bronze bushings ensure smooth operation and extended component life.
• 6.100" Length: Purpose-engineered dimensions with 2.100" bore and .927" wrist pin for Chevy LS fitment.
• Race-Grade Quality: Built for high RPM and high-load engine applications including forced induction.

Specifications

Ideal Applications

• Engine rebuilds and performance upgrades for Chevy LS platforms
• Natural aspiration and forced-induction engine builds
• High RPM racing and competition engine applications
• Engine restorations requiring OEM fitment compatibility