- Stock #252191 - Fantastic Rayson Craft Closed Bow Offshore ~ 509 Chevy Big Block w/Bravo 1 out drive 1998 27' Raysoncraft Offshore powered by 509 Big Block. All engine information provided to us by the Seller: ~Brodix intake manifold ~Fresh Holley 850 ~Hard anodized and powder coated EMI Thunder exhaust manifolds ~Custom tailored water-jacketed exhaust downpipes ~MSD ignition ~Comp Magnum Roller Rockers ~Clay Smith Cam ~JE pistons ~Forged GM performance crank, dimple rods 7/16 bolts Bravo One outdrive Triple axle trailer with torsion springs, full LED's, chrome fenders, set of 6 mat... read more