2001-2016 Duramax 6.6L Studs
$449.00 Tax
Studs for Duramax prior to the L5P. High Strength.
Duramax 6.6L Head Stud Kit (2001–2016) – High-Strength Studs for LB7, LLY, LBZ, LMM, LML
When Reliability Matters – Built for Boost & Heavy Duty Use
Upgrade your 2001–2016 GM Duramax 6.6L diesel engine with this high-strength head stud kit, designed to handle the increased pressure and power of tuned, towed, or performance-driven applications. Whether you’re bulletproofing your top end or replacing factory bolts during a head gasket job, these studs provide superior clamping force and long-term sealing reliability.
⚠️ Not compatible with L5P engines.
✅ Features:
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High-strength head stud kit for 6.6L Duramax engines
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Compatible with LB7, LLY, LBZ, LMM, and LML platforms (2001–2016)
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Helps prevent head gasket failure and head lift under high cylinder pressures
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A must-have for tuned trucks, tow rigs, or performance builds
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Precision-machined for perfect fitment and long-term durability
🔧 Fitment:
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Fits 2001–2016 Chevy Silverado HD & GMC Sierra HD with the 6.6L Duramax LB7–LML
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⚠️ Does NOT fit L5P (2017+) models
When you’re serious about performance and reliability, trust this Duramax head stud kit to keep your 6.6L sealed tight under pressure.
Dimensions | 27 in |
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Engine | |
Engine Size |
6.6L |


🚚 Shipping & Delivery Information
At PowerStroke Products, we are committed to getting your parts to you quickly, safely, and reliably. We partner with trusted carriers to ensure your order arrives on time and in great condition.
📦 Standard Shipping
We ship most of our automotive parts through UPS or FedEx, depending on your location and the size of your order.
Orders are typically processed within 1–2 business days.
Shipping times vary based on your location, but most orders arrive within 2–7 business days after processing.
Tracking information will be provided as soon as your order ships.
🏋️♂️ Freight Shipping
Some of our parts — such as engines, cylinder heads, or items over 150 lbs — require freight shipping.
Freight deliveries are handled via reliable LTL carriers.
You will be contacted to schedule delivery, and a signature may be required upon arrival.
Please ensure you have the appropriate equipment or assistance to receive large or heavy shipments.
📍 Delivery Locations
We currently ship within the continental United States. If you're located in Alaska, Hawaii, or outside the U.S., please contact us before placing your order to explore available shipping options.
❗ Important Notes
We do not ship to P.O. Boxes — please provide a physical shipping address.
Ensure all shipping details are correct at checkout to avoid delays or rerouting fees.
If a package arrives damaged or incomplete, please contact us within 48 hours so we can assist you promptly.