PP-SS-LB7
$704.00 Tax
“Solid Seal” kit – Upper gasket kit w/ grade “C” head gasket and a set of 220ksi head studs LB7 Duramax
LB7 Duramax “Solid Seal” Kit – Upper Gasket Kit w/ Grade “C” Head Gasket & 220ksi Head Studs
Part #: PP-SS-LB7
Strengthen your 6.6L LB7 Duramax with the Power-Stroke Products “Solid Seal” Kit — the ultimate upper gasket solution for diesel performance and reliability. This kit is engineered to handle the demands of high horsepower, heavy towing, or daily driving with peace of mind.
✅ Kit Includes:
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(1) Grade “C” Multi-Layer Steel (MLS) head gasket – designed for maximum sealing under boost
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(1) Complete upper engine gasket set – covers all critical top-end sealing points
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(1) Set of 220,000 PSI head studs – prevents head lift and improves clamping force
🔧 Fitment:
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Designed for 2001–2004 GM 6.6L LB7 Duramax engines
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Compatible with Chevy Silverado HD and GMC Sierra HD models equipped with the LB7
Perfect for performance upgrades, engine overhauls, or long-term reliability. The Solid Seal Kit gives you everything needed to secure your top end — and keep it sealed under pressure.
Engine | |
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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.