ATK High Performance GM 350 390 HP Stage 2 Long Block Crate Engines HP89M

Overview

ATK High Performance GM 350 390 HP Stage 2 Long Block Crate Engines

Awesome performance and awesome looks combine in ATK High Performance GM 350 390 hp Stage 2 long block crate engines. They are topped with trick looking parts and 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 2 long block crate engines include:

* Handpicked, remanufactured block
* ATK High Performance aluminum cylinder heads with 2.020 in. /1.600 ex. valves
* Intake manifold
* OE crankshaft and connecting rods
* Hypereutectic pistons
* Hydraulic roller camshaft
* Cam lift- .528 int./.536 exh.
* Cam duration at 0.50- 220 int./224 exh.
* 10.0:1 compression
* Distributor
* Valve covers
* Timing cover and timing set
* Oil pan, pump, and pickup tube
* Water pump
* Front damper and flexplate