RA Power Solutions is undertaking the engine block crack repair by metal stitching and locking process, and repair of main engine components. During our 45 years of experience, we have repaired more than 1000 cracks by metal stitching and metal lock surgery, not only for shipping but for all industries. For more information on engine block crack repair and please email us at or info@... https://metalstitchinglocking.com/engine-block-cylinder-liner-crack-repair-ra-power-solutions/