ATK High Performance GM 350 390 HP Stage 1 Long Block Crate Engines HP89

Awesome performance and awesome looks combine with these ATK High Performance GM 350 390 hp Stage 1 long block crate engines. They are topped with trick looking parts and they have the power to back them up. These engines are hand-assembled and balanced to help them put out 390 hp and 420 ft.-lbs. of torque that will tear up the street or strip. Whether you are looking to pack some more power in your street rod, muscle car, or truck, ATK has you covered.

ATK GM 350 390 hp Stage 1 long block crate engines include:

* Handpicked, remanufactured block
* ATK High Performance aluminum cylinder heads with 2.020 in. /1.600 ex. valves
* OE crankshaft and connecting rods
* Hypereutectic pistons
* Hydraulic roller camshaft
* Valve covers
* Timing cover and timing set
* Oil pan, pump, and pickup tube