Competition / off-highway crate engine - Ford lists it for competition or off-highway use only
This is the 363 cubic inch, 507 HP Boss crate engine built on the Boss 302 Windsor block with M-6049-Z2 aluminum heads and a front sump oil pan.
Ford Performance 363 Cubic Inch 507 Hp Boss Crate Engine-Z2 Heads-Front Sump Pan - M-6007-Z2363FT