Only that kit won't help
You need the pins, which you won't get from Suzuki they only provide a new caliper for only 24000 that too on order
Try the scrap market for the pins or goto a good machinist with your calipers and get the bushings and pins made
Or buy a complete caliper from the scrap market with good pins and bushings, renew it with the kit from suzuki and you should be good