ARP 2543708 Pro Series 12-Point Cylinder Head Bolt Kit
- Professional Series cylinder head bolts are premium fasteners for competition components.
- Rated nominally at 200,000 psi, which is substantially stronger than Grade 8 hardware.
- Wide area flanged head eliminates the need for valve train removal to facilitate cylinder head retorquing.
- Features reduced wrenching 12-point style heads.
- Comes complete with hardened parallel-ground washers.