Mount Hardware for our RCJS 550-CONV 650/750 engine to 440/550 hull conversion plate. Although not needed to do the conversion IF you have the stock 650/750 engine pan mount hardware. These work well without any modification. These will mount our conversion plate to your Kawasaki 650, 750, or 800 engine. Sold as shown in a set of four stainless, button head socket bolts. Please email with any questions before ordering, thank you