Login
My Account
My Cart
The site navigation utilizes arrow, enter, escape, and space bar key commands. Left and right arrows move across top level links and expand / close menus in sub levels. Up and Down arrows will open main level menus and toggle through sub tier links. Enter and space open menus and escape closes them as well. Tab will move on to the next part of the site rather than go through menu items.
Enter your truck info so we can recommend the right products for you.
Can't find it? Call us at 859-737-4966 for free advice.
Menu
Injection Pump
Injector
Programmers
Turbo Charger
Banners
Decals
Hats
Hoodies
License Plates
Shirts
Tank Tops
Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: FPEGM0104CYLINDERHEADS
Product Name: Fleece Freedom Series Cylinder Head with Cupless Injector Bore - 2001-2004 GM Duramax LB7 Manufacturer: Fleece Thoroughbred Diesel Part #: FPEGM0104CYLINDERHEADS Fitment Notes: 2001-2004 GM Duramax LB7
ALL NEW! Freedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and money with no more injector cups to install, leak, or worry about. Each cylinder head is assembled from a new casting in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with new valve guides, springs, and valve seals. Perfect for the daily driver or towing application.
Note: We recommend using GM 12637788 head gasket (Grade C, Right) and GM 12637785 head gasket (Grade C, Left)
Fleece Freedom Series Cylinder Head with Cupless Injector Bore Features: