Supertech connecting rod set for Nissan RB25/RB26 engines: forged 4340 steel H-beam rods, set of six, with a center-to-center length of 121.5mm (4.783in). Specified for RB25/RB26 applications, these rods are presented as a matched six-piece set with the material and dimensions called out in the source description for direct engine assembly use.
Supertech Nissan RB25/RB26 Conn Rod 4340 H-Beam C-C Length 121.5mm (4.783in) - Set of 6