seen featured here incorporates lots of those power goodies seen here on the Olds Performance Products web site. Hawtins power comes from a stroker design engineered by Andy Miller. From the oil pan to the custom mechanical camshaft, to the custom ring package and pistons. Hawtins 463 cubic inch H beam pump gas stroker engine has enough smack to light the tires a blaze from a roll in high gear. This is one bad *** sleeper of a ride.