
- 4.100" Bore
- 0.40" MLS Head Gasket
- Constructed from the best materials available

The Cometic PRO3009T StreetPro Top End Gasket Kit is specifically designed for 2004.5-2007 GM 6.6L Duramax LLY/LBZ engines. This kit provides all the necessary gaskets and seals to effectively reseal the top end of your Duramax engine, helping to protect your engine, time, and money.
4.100" Bore
0.40" MLS Head Gasket
Constructed from the best materials available
Cometic Gasket has dedicated significant research and development to create these kits, ensuring that each component is made from top-quality materials and that every required gasket and seal is included. The StreetPro line is race-proven, bringing the same technology used in championship-winning race vehicles to street applications.
Top End Kit Includes:
.040" MLS Head Gaskets w/ 4.100" Bore
MLS Exhaust Manifold Gaskets
Intake Manifold Kit
Thermostat Housing Gaskets
Valve Stem Seals
Water Pipe Gaskets
Injection Nozzle Kit
Air Injection Seals
Throttle Body Gasket
EGR Valve Gaskets
Turbo Gasket Kit
Valve Cover Set
EGR Inlet Gasket
Water Outlet Gaskets
Exhaust Pipe Gaskets
Rocker Cover Gaskets[...]
- 4.100" Bore
- 0.40" MLS Head Gasket
- Constructed from the best materials available