Forged connecting rods BMW S38B38 M5 E34 S38B38

Connecting rods designed in H-Beam technology, allow to transfer power exceeding 200 HP / Cylinder.
They are made of the highest quality forged AISI 4340 steel (En24). Hardness HRC 35-38.
All forgings are degassed and X-rayed to detect all potential material defects.
Then, they undergo heat treatment, sliding and honing to achieve high strength and maximum accuracy.