383 with 450 HP stroker engine has a 3.750 stroke which delivers an extremely high amount of torque, you have to experience one to know how it feels.  This engine package delivers a lot of punch for your money.  This is what most of our customers prefer when building there strip/street car. Engine can be custom painted to match your vehicle at your request. We can also equip your engine with the exclusive March Performance serpentine belt system.  We can also assist you in choosing the proper transmission and stall speed converter combination for your vehicle and have it shipped directly to you as your performance crate engine is being built.