Eagle SIR Series 5140 Forged I-Beam Connecting Rods 6.135in — Fits Big Block Chevy

Heavy-Duty Eagle SIR Big Block Chevy Connecting Rods

When building a Big Block Chevy, structural integrity is non-negotiable. The Eagle SIR Series 5140 Forged I-Beam Connecting Rods are specifically designed to handle the torque and stress associated with high-displacement engines. These rods are forged from high-quality 5140 steel, providing the toughness required for street performance and heavy-duty applications.

Key Features and Specs

• Material: 5140 Forged Steel
• Rod Length: 6.135 inches
• Design: I-Beam for Maximum Strength
• Bolt Type: 7/16 inch 8740 Cap Screws
• Fitment: Press-Fit Pins
• Quantity: Set of 8

The 6.135-inch length is a popular choice for BBC builders looking to optimize rod-to-stroke ratios for improved combustion efficiency. Featuring robust 7/16-inch cap screws, these rods ensure that your big block stays together under extreme cylinder pressures. The press-fit pin design is ideal for traditional piston setups, offering a secure connection that stands up to the rigors of high-torque output. By choosing Eagle's forged steel construction, you are investing in long-term reliability and consistent performance. These rods are meticulously balanced and finished to ensure a seamless installation process in your engine block. Whether you are restoring a classic muscle car or building a custom street machine, these rods provide the foundation for a reliable, high-torque engine. Find all your essential engine internals and performance upgrades at GGCRACING.