Carrillo Connecting Rod

2005–Present Dodge Hemi 5.7L / 6.1L

CR5310-1

Overview:

The Carrillo Straight Pro-H 3/8 WMC Bolt Connecting Rod is engineered specifically for Dodge Hemi engines, including the 5.7L and 6.1L variants. Designed for enthusiasts and professional builders seeking reliable, high-performance internal engine components, this connecting rod offers exceptional strength and durability under demanding conditions. Whether upgrading a street machine or building a race-ready engine, this rod provides the precision and toughness required to handle increased power and RPM.

Manufactured by Carrillo, a trusted name in performance engine components, this single connecting rod is ideal for replacing worn or damaged rods or for custom engine builds requiring premium quality parts. Its design ensures optimal balance and reduced reciprocating mass for improved engine response and longevity.

Key Features:

Built with advanced engineering and premium materials, the Carrillo Straight Pro-H connecting rod delivers superior performance and reliability. Key features include:

• 3/8-inch WMC (Wide Main Cap) bolt design for enhanced clamping force and durability
• Straight Pro-H configuration optimized for Dodge Hemi 5.7L and 6.1L engines
• Precision CNC machining for exact tolerances and perfect fitment
• High-strength forged steel construction for maximum fatigue resistance
• Lightweight design to reduce reciprocating mass and improve engine efficiency
• Compatible with stock and aftermarket pistons and crankshafts
• Individually inspected and balanced for consistent performance
• Designed to withstand high horsepower and high RPM applications

Construction & Design:

The Carrillo Straight Pro-H connecting rod is forged from premium-grade steel alloy, ensuring exceptional tensile strength and durability. The forging process enhances the grain structure of the metal, providing superior fatigue resistance compared to cast or billet rods. The rod features a wide main cap design secured by 3/8-inch WMC bolts, which deliver increased clamp load to maintain joint integrity under extreme engine loads.

Each rod undergoes precision CNC machining to achieve tight dimensional tolerances, ensuring perfect alignment and smooth operation within the engine. The design balances strength with weight savings, reducing reciprocating mass to improve throttle response and overall engine efficiency. This meticulous engineering results in a connecting rod capable of handling the rigors of high-performance and racing environments.

Installation & Fitment:

This connecting rod is designed as a direct fit for Dodge Hemi 5.7L and 6.1L engines, making installation straightforward for experienced engine builders and professional shops. It is compatible with stock engine dimensions and requires no modifications to the crankshaft or block. Proper installation involves standard engine assembly procedures, including precise torque specifications for the 3/8 WMC bolts to ensure reliable clamping force.

While this product is sold as a single rod, it is recommended to replace all connecting rods in a set to maintain engine balance and performance. Professional balancing and assembly are advised to maximize the benefits of this high-quality component.

What's Included:

• One (1) Carrillo Straight Pro-H 3/8 WMC Bolt Connecting Rod

Ideal For:

This connecting rod is ideal for Dodge Hemi enthusiasts, engine builders, and racers who demand high strength and reliability from their internal engine components. It suits applications ranging from street performance upgrades to competitive drag racing and road racing builds. Anyone looking to enhance the durability and performance of their 5.7L or 6.1L Hemi engine will benefit from this premium connecting rod.

CP-Carrillo is a respected manufacturer of performance engine internals, producing high-quality connecting rods and pistons for demanding street and motorsport applications. With a legacy rooted in no-compromise rod design and proven use in high-output builds, CP-Carrillo parts are chosen when strength, consistency, and precision matter most inside the engine.