Description:

At Borowski Race Engines, we use Callies Ultra rods for a lot of our LS engine builds.  Why?  Because they survive where others don't.  

Callies developed the Ultra connecting rod with the design goal of an uncompromised strength to weight ratio. Every Ultra connecting rod is produced from specially formulated Timken Steel 4330 and precision forged for uniform grain flow and consistency. Many geometric nuances are incorporated into the design of Ultra connecting rods, which are subject to high output, high RPM applications. These design features enhance the Ultra against specific loads and stresses. 

The Ultra H-Beam configuration was added to the Ultra connecting rod line to satisfy the requirements of the most demanding racing applications.  They are rated to 1,500 hp so can take a real pounding.  Michael got a set of these in his naturally-aspirated engine because he is planning to do lots of that pounding on his Camaro - drag race, road, race, autocross.  He went top-shelf across the board as you'll see in the video below.

Get a set of these of the rods solo or as part of a rotating assembly, short block, long block or complete engine.  Please call us at 815-725-2727 to discuss your requirements.

Sold in sets of 8 rods

Methods of payment accepted: Credit Card, PayPal, Cash, Wire Transfer