huh - Street cruisers really can't ask for more than they'll find in ATK high performance Chrysler 360 290HP stage 3 crate engines. Retrofitted Magnum 360s produce 35+ more horsepower than the LA 360 engines--and they have the benefit of hydraulic roller camshaft/lifter systems. A few more facts and figures: 4.040 bore x 3.850 stroke; hypereutectic 9.1 pistons; moly rings; OE rods; 385+ torque; dyno-tested and tuned.