JDM Mazda Miata MX-5 B6 & BP Engines for Sale

Shop JDM Mazda Miata MX-5 engines for sale, including B6 1.6L and BP 1.8L engines imported from Japan.
Find replacement engines for compatible NA and NB Mazda Miata MX-5 applications, including BP and BP-Z3 variants.
Browse naturally aspirated Mazda B-Series engines for restoration, replacement, performance and swap projects.
Inventory may include complete engines, long blocks and VVT engine packages depending on current availability.
J-Spec Auto Sports offers quality JDM Mazda Miata engines with expert fitment support and nationwide shipping.