Metal stitching and metal locking are proven methods to restore cracked surfaces without welding, ensuring no additional damage occurs. RA Power Solutions has 4 decades of experience in engine block repair, offering professional onsite services for industries worldwide. We have highly trained technicians that have completed the most challenging crack repair procedures using metal stitching and metal lock techniques.With metal stitching, engine block repairs become permanent and reliable, preventing further failures and costly replacements.For a detailed repair process of damaged casting by metal locking, damaged engine block, metal stitching, broken engine block repair, and metal surgery please email us at [email protected], or [email protected], or call us at +91 9582647131 or +91 9810012383.