Description
Block Casting: 4133000505 Right Head Casting: 587-1/2, 687-3 Left Head Casting: 587-1/2, 687-3 Crank Casting: Casting Location: In Valley Smog: Years: 2001-2004 Model: Sierra 2500hd/3500, Silverado 2500hd/3500 Hollander: 5166 Special Notes: Ohv 32 Valve, Cast Iron Block Aluminum Heads. V8 Help info: Lb7. Narrow Block. Diesel Turbo, Federal Option Nf2. Not For Kodiak/Topkick. ** Can Use Wide Block Dcfm2 ** Help info: Fuel Injectors Mount Inside Of Valve Cover. INV Help: Cyl Head Injector Mount Face Chamfer. Cam Gear Has Trigger Plate. Int. Ports Are Double. Block Front Narrow Cast(Left/Right Has No Bosses) This item has an added core charge. The price tag DOES NOT include a refundable core amount of $720
