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Rods

 

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About Rods

One of the hallmarks of a high quality connecting rod is its strength to weight ratio. Anyone can create an extremely strong rod out of a huge chunk of steel. Creating one with a reasonable weight that works well in today\'s high rpm applications, and holds up to a lifetime of torture is another story.

In order to create this balance of strength and light weight, an H beam design is utlized. The design is validated and optimized using modern CAD drafting and FEA analysis techniques. These techniques ensure the performance rod is as light and strong as possible.

The material specification and treatment is equally important to producing a quality connecting rod with a high strength to weigh ratio. The steel rods feature 4340 Chrome Moly steel, formed into shape using a 2 piece forging for the highest possible fatigue life. The material is multi-stage heat treated to ensure the highest possible fatigue strength as well as good dimensional stability. This feature ensures that our big ends stay round for a lifetime of bearing trouble free service.

ARP 2000 rod bolts are standard in all the rod applications, while they are an upgrade at additional cost in many of our competitors.