What is the primary benefit of using HD connecting rods?

HD connecting rods are built with stronger materials and often a more robust design than standard rods. This allows them to handle higher cylinder pressures and increased stress, which is common in modified or performance-oriented engines.

Are the connecting rod bolts included with this set?

This product listing is for the connecting rods themselves. While they are designed to work with 7/16 inch CARR bolts, the bolts are typically sold separately. Please check the product details or contact us to confirm if bolts are included.

What kind of engine builds are these rods best suited for?

These rods are ideal for performance builds of the 6.6L Duramax engine, including those aiming for increased horsepower and torque, towing heavy loads, or competition use. They are designed to be a strong internal component for engines that will be pushed beyond stock specifications.

Carrillo Connecting Rods 6.6L Duramax LB7-LMM 7/16" Bolt DMH

Name: Carrillo 01-10 GM 6.6L Duramax LB7/LLY/LBZ/LMM 6.418in HD 7/16 CARR Bolt Connecting Rods (Set of 8)
Brand: Carrillo
SKU: carrillo-carrillo-01-10-gm-6-6l-duramax-lb7-lly-lbz-lmm-6-418in-hd-7-16-carr-bol-t14-548702
Price: 3507.49 USD
Availability: BackOrder

Carrillo 01-10 GM 6.6L Duramax LB7/LLY/LBZ/LMM 6.418in HD 7/16 CARR Bolt Connecting Rods (Set of 8)

$3507.49

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Carrillo HD connecting rods for 01-10 GM 6.6L Duramax LB7-LMM engines. Set of 8, 6.418" length, 7/16" bolt.

Key Features

Set of 8 connecting rods for GM 6.6L Duramax LB7, LLY, LBZ, LMM engines.
6.418 inch length.
Designed for 7/16 inch CARR bolts.
HD (Heavy Duty) construction for increased strength.
Suitable for high-performance and modified Duramax engines.

These connecting rods are designed for 2001-2010 GM 6.6L Duramax LB7, LLY, LBZ, and LMM engine applications.

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Product Details

If you're building a high-performance 6.6L Duramax engine for your GM truck, especially one that will see heavy use or significant power increases, you need connecting rods that can handle the stress. These HD connecting rods from Carrillo are built to withstand the demands of the LB7, LLY, LBZ, and LMM engine families.

Carrillo is well-known for making strong internal engine components, and these rods are no exception. They feature a 6.418-inch length and are designed to work with 7/16-inch CARR bolts, which are a robust fastening solution for high-stress applications. The HD designation means they are built with extra material and strength in mind, making them a solid choice for builds pushing beyond stock power levels. This set includes eight connecting rods, enough for a complete V8 engine.

When you're assembling an engine that needs to perform reliably under pressure, using well-built internal components like these Carrillo rods is crucial. They are designed to maintain their integrity and shape under extreme combustion forces, helping to ensure the longevity and performance of your Duramax build.