Carrillo Straight Pro-H Connecting Rod Set

2003–2025 Dodge Ram 1500 / 2500 / 3500, 2004–2025 Dodge Durango, 2005–2025 Chrysler 300, 2005–2008 Dodge Magnum, 2005–2025 Jeep Grand Cherokee, 2006–2025 Dodge Charger / Jeep Commander, 2008–2025 Dodge Challenger 5.7L & 6.1L HEMI

Part #: CR5312-8

Overview

The Carrillo Straight Pro-H 3/8 CARR Bolt Connecting Rod Set is a premium performance upgrade engineered specifically for Dodge and Chrysler HEMI engines, including the 5.7L and 6.1L Gen 3 variants. Designed for enthusiasts and professional engine builders, these rods deliver enhanced strength and durability to withstand the rigors of high horsepower and torque applications. Whether upgrading a street-driven muscle car, a race vehicle, or a heavy-duty truck, these connecting rods provide the reliability and performance needed for demanding conditions.

Manufactured by Carrillo, a leader in high-performance engine components, this rod set is a direct-fit replacement for a wide range of Dodge, Chrysler, and Jeep models from 2003 through 2025. They are ideal for those seeking to improve engine longevity and power handling without compromising OEM fitment or balance.

Key Features

Engineered to meet the demands of high-performance and heavy-duty applications, the Carrillo Straight Pro-H connecting rods offer:

• Constructed from premium forged steel for exceptional strength and fatigue resistance
• Straight Pro-H design optimizes rod geometry to reduce weight while maximizing durability
• 3/8-inch CARR bolt fasteners provide superior clamping force and reliability under extreme conditions
• Precision-machined to exact OEM specifications for perfect fitment and balance
• Balanced and shot-peened to improve fatigue life and reduce vibration
• Compatible with Dodge and Chrysler 5.7L and 6.1L HEMI engines
• Ideal for naturally aspirated, forced induction, and nitrous oxide applications
• Enhances engine reliability at high RPM and increased power outputs

Construction & Design

Each connecting rod is crafted from high-grade forged steel selected for its superior strength-to-weight ratio and excellent fatigue resistance. The Straight Pro-H design ensures optimal load distribution along the rod, minimizing stress concentrations during high-performance operation. This design enhances durability and reduces the risk of failure under extreme engine loads.

The rods are precision-machined and balanced to exacting tolerances, ensuring smooth engine operation and longevity. The 3/8-inch CARR bolt fasteners are engineered to maintain consistent clamping force, reducing the risk of bolt stretch or failure even under high boost or nitrous conditions. This robust construction makes these rods a reliable choice for serious performance builds.

Installation & Fitment

This connecting rod set is a direct-fit replacement for the following vehicles equipped with 5.7L or 6.1L HEMI engines: 2003–2025 Dodge Ram 1500/2500/3500, 2004–2025 Dodge Durango, 2005–2008 Dodge Magnum, 2005–2025 Chrysler 300, 2005–2025 Jeep Grand Cherokee, 2006–2025 Dodge Charger, 2006–2025 Jeep Commander, and 2008–2025 Dodge Challenger.

Installation requires standard engine disassembly and reassembly procedures. Professional installation by an experienced engine builder or mechanic is recommended to ensure proper torque settings and clearances. No modifications to the engine block or crankshaft are typically necessary, making these rods a straightforward upgrade for compatible HEMI engines.

What's Included

• Set of 8 Carrillo Straight Pro-H 3/8 CARR Bolt Connecting Rods
• High-strength 3/8-inch CARR bolts installed and torque-checked
• Installation guidelines and specifications

Ideal For

• Performance enthusiasts upgrading Dodge and Chrysler HEMI engines
• Engine builders assembling high-horsepower street or race engines
• Owners of Dodge Ram 1500, 2500, 3500 trucks seeking enhanced durability under load
• Drivers of Dodge Charger, Challenger, Durango, Magnum, Chrysler 300, Jeep Grand Cherokee, and Commander requiring reliable connecting rods
• Applications involving forced induction, nitrous oxide, or naturally aspirated power increases