Mopar P5155513 Crate Engine 426 HEMI Crate Engine 500 Horsepower and 500 pound feet Torque Horsepower and torque ratings based on test engine Engines that change the emissions performance of the vehicle may not be legal for use on vehicles regulated for highway use in California and other states Mopar Performance; Genuine Mopar Performance P5155513 426 HEMI Crate Engine