Overview
ATK High Performance GM 383 TBI Stroker 320 HP Stage 1 Long Block Crate Engines
Experience the torque that only a stroker can give you with ATK High Performance GM 383 TBI Stroker 320 hp long block crate engines. These engines crank out 320 hp and 395 ft.-lbs. of torque, perfect for your pulling rig, RV, or muscle truck. They are hand-assembled and precisely balanced to create smooth-running, reliable engines for your ride.
ATK GM 383 TBI Stroker Stage 1 long block crate engines include:
* Handpicked, remanufactured blocks
* OE cast iron TBI cylinder heads
* Nodular steel crankshaft and 4340 I-beam connecting rods
* Hypereutectic pistons
* Hydraulic roller camshaft
* Cam lift- .435 int./.462 exh.
* Cam duration at 0.50- 198 int./210 exh.
* 9.5:1 compression
* Valve covers
* Timing cover and timing set
* Oil pan, pump, and pickup tube