Product Description
Dominate your Duramax build. The CARRILLO DMHD6418S Pro-H Connecting Rod Set pairs Carrillo’s legendary forging with CARR 7/16" multiphase bolts for uncompromising strength in 2001–2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM platforms. Precision balanced, shot-peened, and built from proprietary alloy, these rods are engineered to live under extreme cylinder pressure and RPM—exactly what serious street, sled-pull, and competition trucks demand.
Fitment
- GM 6.6L Duramax: LB7 / LLY / LBZ / LMM (2001–2010)
- Center-to-center length: 6.418"; Bolt size: 7/16" CARR multiphase
Fitment and core specs verified from multiple distributors listing DMHD6418S for 2001–2010 Duramax with 6.418" length and 7/16 CARR bolts.
Why CP Carrillo Rods
- Pro-H beam design for high power density
- CARR multiphase fasteners for exceptional clamp load
- Heat-treated, shot-peened, and balanced for durability
Cross-Reference & Related CP Carrillo Items (CPP Diesel)
- CARRILLO DHR7032SET Chevy 6.6L Duramax piston set
- CARRILLO DHR7032 individual piston
- CARRILLO DMTF6620S Duramax 6.6 rod set (1.156 pin)
- CARRILLO DMTF6620HSET Duramax 6.6 rod set (WMC bolts)
Helpful Notes
- Professional machine shop measurement and clearancing recommended for performance builds.
- Use high-quality fastener lube and torque/stretch to Carrillo spec.
Specifications for CP CARRILLO DMHD6418S
| Brand | CP Carrillo |
| Part Number | DMHD6418S |
| Engine Compatibility | 2001–2010 GM 6.6L Duramax (LB7/LLY/LBZ/LMM) |
| Rod Length | 6.418" |
| Bolt Type | CARR multiphase, 7/16" |
| UPC | N/A (not published by manufacturer/distributors) |
| GTIN | N/A (not published) |
| Cross Reference | See CP Carrillo links above (CPP Diesel) |
| E-codes | N/A |
| Turbo Series | N/A (connecting rod) |
| Shipping Info | Ships via ground service; signature may be required. Weight/box size varies by batch. |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
FAQ
Will DMHD6418S fit my LB7/LLY/LBZ/LMM without crank or pin changes?
Yes—DMHD6418S is listed for 2001–2010 LB7/LLY/LBZ/LMM 6.6L Duramax applications with 6.418" length and 7/16" CARR bolts. Always verify clearances during assembly.
Are CARR bolts reusable?
CARR multiphase fasteners are premium hardware designed for high clamp loads. Follow Carrillo’s torque/stretch procedure and replace any fastener that shows damage or exceeds stretch spec. (General manufacturer guidance.)
What power level are these rods good for?
Pro-H Carrillo rods are widely used in high-horsepower Duramax builds. Actual limits depend on tune, RPM, fuel, and assembly. Consult your engine builder; many competition trucks rely on Pro-H sets.
Do I need machine work?
Professional measurement, balancing checks, and bearing clearance verification are strongly recommended in any performance build.
