DFC Engines Street Series Long Block Engine | DFCSS6604505LLYLB | 2004.5-2005 Duramax LLY

DFC Diesel Rebuilders prides itself in being the highest quality product on the market. This is why we can back our engines with a 5 year 160,000km warranty that we stand behind.  Our engines have been re-manufactured to factory specs using all new industry recognized name brand parts that meet and exceed OEM specifications. The block has been professionally machined and bored for use with the next over-sized piston NO SLEEVES ARE USED.  All New OEM or equivalent pistons, rings, and gaskets are used to ensure quality and consistency of our engines. Our Re-manufactured Cylinder Heads have all new seats, guides, valves, and stem seals as well as being resurfaced and magnafluxed.

Includes:

• Complete short block assembly and gaskets, plus cylinder head
• All rockers/pushrods preset to factory specifications
• Complete top end gasket set to finish installation.

Features:

• Most comprehensive 5-year/160,000km (100,000 mile) warranty in North America.
• Machined with some of the most advanced ROTTLER machining equipment in North America
• Improved gasket sealing methods in common leakage areas.
• Upgradable to new MLS (multi-layer steel) head gaskets.
• ALL NEW pistons, rings, bearings, gaskets, seals, valves, springs, hardened seats, stem seals and cast guides.
• Cylinder blocks are blueprinted to tighter tolerances than OEM specifications using their Rottler F69 ATC