This is a 1994 202se Regal boat. Orginal power was 302 cid which i broke the crank after turning 5500 rpm. That was when i repowered with 351w cid. Burned couple pistons. That was when i went to the 393cid 351w stroke. Michine work was done by Central Florida Speed and michine.Also motor has alum flywheel, MSD Ign, Summit stage II intake, 850 Proform carb, Dennis Moore proformace exhaust, The Cam is a E303 ford hyd roller cam, summit roller rockers, Reworked 351w 64cc head with bigger valves installed, This family 20 foot Regal bow rider easy out runs most gofast boats like baha and sonic 20' to 26' with big block up to 540 cid . just installed cold air intake . Near future alum heads and possible supercharging