Carrillo solid-beam aluminum connecting rods for Honda B18C (GSR) applications are supplied as a set of four with 3/8 bolts and 21mm big-end dimensions. These lightweight aluminum rods are intended for high-revving applications where reduced reciprocating mass and reliable fasteners are required. Sold as a matched set, they provide consistent sizing for rebuilds or performance-oriented engine assemblies that specify the B18C GSR configuration.
Carrillo Honda B18C (GSR) 3/8 Bolt H6AL Solid Beam Aluminum Rod Set 21mm (Set of 4)