In case you have no core we can get you a Pettit built OTS engine proper on your doorway. We have a new Mazda 13B REW engine and rebuild it to Pettit specs prior to shipping and delivery it for you. About VehicleHistory.com Vehicle Record's workforce of automotive industry experts https://mazda-rx7-engine-for-sale13329.prublogger.com/29276380/indicators-on-13b-engine-for-sale-japan-you-should-know