Description
OEM connecting rods are used in a variety of applications from rebuilt stock motors to modified powerplants used in circle track, marine and drag racing engines.ARP offers replacement rod bolts in three different models. All of them are substantially better than the stock OEM and most aftermarket bolts.
GOOD: STANDARD HIGH PERFORMANCE BOLTS
Premium grade 8740 alloy chrome moly steel is used to manufacture ARP High Performance connecting rod bolts. These boltsprovide a tensile strength in the 200,000 psi range and fatigue strength nearly five times greater than stock rod bolts.
BETTER: WAVE-LOC® HIGH PERFORMANCE BOLTS
ARP developed the Wave-Loc shank design that features symmetrical waves with an effective interference range of of 0.001˝to 0.005˝ for proper cap alignment. The waves replace the knurl on standard replacement bolts – eliminating the stress risers thatare created when cutting into the shank – which create potential failure points. The tensile and fatigue strengths are the same asour regular high performance rod bolts.
BEST: “PRO” SERIES WAVE-LOC BOLTS
For the most severe applications, in conjunction with aftermarket I-beam rods, ARP has developed the “Pro” SeriesWaveLoc bolts. These ultra heavy-duty rod bolts are made from high strength ARP2000. This material doubles the fatigue life of 8740chrome moly steel and has a tensile strength of 220,000 psi, which means it can delive more than 12,000 lbs. of clampingforce.
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