Billet steel and cast aluminum

[shamWOW]

is there any plan for billet steel block/head for high performance engines? and is the aluminum heavy and light cast aluminum or is it a different form of billet for aluminum?

[Killrob]

There are going to be both billet aluminium blocks and heads in the Al Rilma update. Currently you only have billet alu blocks.

[robert.norgren]

Is there even someone making steel billet blocks? Never heard of that.

[shamWOW]

its not particularly common but it would be something that could be used when horsepower and torque are more important than weight and heat characteristics than aluminum, as well as being stronger than cast iron. cast iron is typically the baseline for heavier duty vehicles as it was strong enough and easy/cheap enough to produce