For the most severe applications, in conjunction with aftermarket I-beam rods, ARP has developed the "Pro" Series Wave-Loc bolts. These ultra heavy-duty rod bolts are made from a special material designated ARP2000. It has approximately 200% the fatigue life of 8740 chrome moly steel and has a tensile strength of about 220,000 psi, and is capable of more than 12,000 lbs. clamping force.


* Wave-Loc surface contacts the rod and cap for optimum alignment and reduction of fluctuating stress - which strengthens the rod itself! * Provides snug fit for all OEM connecting rods (interference range of .0005" to .0007"), despite wide range of factory rod bolt hole tolerances. * Available for most applications. * Superior material grain flow because of patented Wave-Loc surface design as compared to knurled bolts that have sharp edges and "built-in" stress risers. * Galling and scoring of the rod is virtually eliminated because there is only smooth contact and absolutely no "digging".