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H-Beam Forged Connecting Rods

Cosworth connecting rods are machined from quality 4340 (EN24) forgings produced in the USA and fitted with H11 (260ksi tensile strength) rod bolts. The H-beam design is superior for high power power applications. Strength to weight is maximized in the design through detail features such as the pin end radial truss and lipped rod cap. Superior machining precision, heat treatment, and shot peening processes result in a finished product of exceptional quality and reliability.

Set of 4 rods.

Usually ships in 2 to 3 days.

Manufacturer: Cosworth

Applications:

  • Subaru EJ20/EJ25

Are H-beam or I-beam connecting rods better? The choice of I-beam versus H-beam is really dependent on the type of loads the rod must withstand and other considerations. It is impossible to make a generalized statement that one is always better than the other. For the most part H-beam rods can be designed to better provide the stiffness and rigidity necessary in a turbocharged application where compressive loads are quite high while I-beam rods can be made more suitable to the high tensile loads of a high revving normally aspirated application. Of course this is a simplification.