It's kind of like the Spoon B-series engines. Taken apart, balanced, blueprinted, rebuilt, etc...

Nothing that would actually benefit you in a street driven car.

 

All J's Racing Motors are built to order. You can spec out displacement, HP, and how much you want it built up. We dont have them on our site, because its really an item a customer should be worked with on from start to end. Also, FYI, engine exchange for the build it not offered outside of Japan.