RA Power Solutions offers expert metal stitching and locking services to repair cracked cast iron and aluminum parts safely. Unlike welding, this cold repair method avoids heat, preventing warping and material damage. For more information on metal stitching repair of engine block cracks, please email us at [email protected] or call us at +91 9582647131. https://medium.com/@metalstitchinglocking/crack-repair-by-metal-stitching-metal-stitching-and-metal-locking-e2f831bb51a3?postPublishedType=initial