WHAT DOES 13B REW FOR SALE MEAN?

I understood every thing was about to need to be challenging lined. All of the stainless lines for h2o, oil and coolant over the turbo aspect of factors are all handmade in-house to guard it within the heat.This motor relies off on the factory one which we bought from Mazda. We disassembled everything, despatched the rotors out to an organization a