Original: $217.92
-70%$217.92
$65.38The Story
ARP Pro Series Connecting Rod Bolt Kit
For Chevy/GMC 6.6L Duramax Diesel (2001–2016)
The connecting rod bolts are arguably the most important fasteners in your engine’s rotating assembly. When you increase horsepower and RPM, the "big end" of the connecting rod can actually become oval-shaped under load, stretching and bending the factory bolts.
The ARP Duramax Rod Bolt kit replaces weak factory rod bolts with high-strength ARP2000® fasteners, providing the clamping force and fatigue resistance necessary to prevent catastrophic bottom-end failure in your LB7, LLY, LBZ, LMM, or LML engine.
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Key Features & Benefits
-
ARP2000® Construction: Crafted from a proprietary super-alloy heat-treated to a tensile strength of 220,000 psi. This offers a significant upgrade over the 200,000 psi of standard 8740 chrome moly.
-
Wave-Loc™ Technology: These bolts feature ARP’s patented Wave-Loc design, which provides a precise interference fit in the rod. This ensures perfect cap alignment and reduces stress risers that can lead to rod breakage.
- Extreme Fatigue Life: Cycle testing shows these Pro Series bolts are nearly five times more reliable than stock fasteners, making them essential for high-boost or high-RPM applications.
- Cold-Forged Strength: Threads are rolled after heat treatment, ensuring the grain flow of the metal remains intact for maximum durability.
- Direct OEM Replacement: Specifically designed to work with stock Duramax connecting rods (Cap screw style).
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Why Upgrade Your Rod Bolts?
In a high-performance diesel engine, the rod bolts are subject to immense alternating tension and cyclic bending. Factory bolts are often "Torque-To-Yield" (TTY), meaning they are intended for a single use and have a limited threshold for stress.
If a rod bolt fails, the rod cap breaks free, leading to a "thrown rod" that usually destroys the engine block, crankshaft, and oil pan instantly. By installing the ARP Duramax Rod Bolt kit, you are reinforcing the heart of your engine with the strongest fasteners available for the OEM rods.
Professional Recommendation: ARP highly recommends having your connecting rods resized by a professional machine shop after installing new rod bolts. The increased clamping force can slightly change the roundness of the rod's big-end bore.
Description
ARP Pro Series Connecting Rod Bolt Kit
For Chevy/GMC 6.6L Duramax Diesel (2001–2016)
The connecting rod bolts are arguably the most important fasteners in your engine’s rotating assembly. When you increase horsepower and RPM, the "big end" of the connecting rod can actually become oval-shaped under load, stretching and bending the factory bolts.
The ARP Duramax Rod Bolt kit replaces weak factory rod bolts with high-strength ARP2000® fasteners, providing the clamping force and fatigue resistance necessary to prevent catastrophic bottom-end failure in your LB7, LLY, LBZ, LMM, or LML engine.
Â
Key Features & Benefits
-
ARP2000® Construction: Crafted from a proprietary super-alloy heat-treated to a tensile strength of 220,000 psi. This offers a significant upgrade over the 200,000 psi of standard 8740 chrome moly.
-
Wave-Loc™ Technology: These bolts feature ARP’s patented Wave-Loc design, which provides a precise interference fit in the rod. This ensures perfect cap alignment and reduces stress risers that can lead to rod breakage.
- Extreme Fatigue Life: Cycle testing shows these Pro Series bolts are nearly five times more reliable than stock fasteners, making them essential for high-boost or high-RPM applications.
- Cold-Forged Strength: Threads are rolled after heat treatment, ensuring the grain flow of the metal remains intact for maximum durability.
- Direct OEM Replacement: Specifically designed to work with stock Duramax connecting rods (Cap screw style).
Â
Why Upgrade Your Rod Bolts?
In a high-performance diesel engine, the rod bolts are subject to immense alternating tension and cyclic bending. Factory bolts are often "Torque-To-Yield" (TTY), meaning they are intended for a single use and have a limited threshold for stress.
If a rod bolt fails, the rod cap breaks free, leading to a "thrown rod" that usually destroys the engine block, crankshaft, and oil pan instantly. By installing the ARP Duramax Rod Bolt kit, you are reinforcing the heart of your engine with the strongest fasteners available for the OEM rods.
Professional Recommendation: ARP highly recommends having your connecting rods resized by a professional machine shop after installing new rod bolts. The increased clamping force can slightly change the roundness of the rod's big-end bore.
