Precision centerless-ground and thread-rolled to Mil-S-8879 specs.
Black oxide finish protects from wear and corrosion. Includes
hardened parallel washers for uniform load distribution and
accurate torque readings.
ARP High Performance series head bolt kits are tough! Rated at
170/000 psi--15 percent stronger than Grade 8 fasteners. Available
with hex heads or reduced wrenching 12-point heads that eliminate
the need for valvetrain removal when re-torquing cylinder
heads.
|