Six bolt main bearing caps contribute to an extremely rigid lower engine structure. (greencarcongress.com)
Heavy - duty steel connecting rods are forged in one piece and then «crack separated» to create a lighter and stronger rod with an optimally fitted bearing cap. (hondanews.com)
The LS6 engines were built in GM's Tonawanda engine plant, and featured 4 - bolt main bearing caps for strength, forged steel connecting rods secured with larger 7 / 16 - inch bolts, TRW forged aluminum pistons and a forged steel alloy, cross-drilled crankshaft. (barrett-jackson.com)