• Add ARP's legendary quality to your project
  • Manufactured from 8740 chrome moly steel with a black oxide finish
  • Rated at 170,000 PSI, which is considerably stronger than Grade 8 hardware
  • Bolts feature compact 12-point style heads
  • Kit comes complete with high quality washers

Per my husband-if your going to do it you’ve got to have the best product out there. This is the best bolt kit out there guys. Just so you know! Lol. We’re rebuilding our boat motor and this is what we bought them for.