1957-1973 Polished Grade 8 ARP Stainless Harley Sportster Head Bolt Kit

These are the absolute ultimate stainless steel head bolts for the Vintage Harley Sportster engines from 1957 to early 1973.

There are 8 bolts and washers in this kit.

Manufactured from custom 450 Stainless! Heat treated/Age hardened to 180,000 PSI (That’s stronger than grade 8 steel) Centerless Ground! Roll Threaded after heat treatment!

They still have the ARP Logo’s on the heads.  Polished to a beautiful finish that will never chip, peel, or rust!