Duratec Engine Blocks
The Impossible Becomes Reality
Available For 2.5L & 3.0L Duratec Engines
Nautilus Performance Group has spent countless hours developing aftermarket short and long blocks for stock 2.5L and 3.0L Duratec Engines. Currently we have 3.0L, 3.5L and even 4.0L shortblocks available with performance longblocks also available. These short/long blocks are available in packages for those looking for the best results on the track, and we also have parts which can be purchased individually if you are on a tight budget.
Note: Currently the only engine block available to purchase is the big bore (97mm) 3.7L engine block. If you would like more information on our other Engine blocks please Contact Us. Additionally, please keep in mind that these engine blocks will work with VVT and non VVT cars.
Duratec Engine Block Packages:
- 3.0L Duratec shortblock complete
This package includes our race prepped big bore block, clevite bearings, polished stock crank, K1 forged rods, and diamond pistons. The rotating assembly is balanced and and preped, crank bearings are blueprinted and measured using fine measurement equipment (not plastigauge). Allowing us to get tolerances on oil clearance within .005" off each cylinder.
- 3.7L Duratec race shortblock complete
Our 3.7L duratec short block features the same components as the 3.0 liter block but allows for more fuel to enter, resulting in higher horsepower outputs. If you are looking for best performance out of your Duratec engine then the 3.7L Duratec stroker short block is for you.
- 4.0L duratec stroker short block
Our 4.0L duratec stroker short block features the same components as the 3.5 liter race block but with a custom stroker crank, rods, and pistons. If you are looking for the ultimate performance out of your Duratec engine then the 4.0L Duratec stroker short block is for you.