i have a brand new 306 ford dss racing pro bullet short block motor from dss racing its never been used its brand new still in the crate and never been un wrapped it has a dss stage 20 boss block zero decked with the screw in freeze out plugs its all balanced and blueprinted it has 13cc dish top forged pistons with sever heavy duty ductile molly rings and also has pro bullet aluminum main girdle it was built to use a turbo or super charger.this motor was also cnc machined and clearanced for a 331 stroker or 347 stroker if down the road later you wanted to put a stroker rotating assembly in it this motor cost over $3,000 new from dss plus shipping asking $2000 call 270-668-7442