nytrdr24
+1y
just depends on what you want done, if it is just a general rebuild, probably about $300-$400, but if you want to spice it up a some, add a cam, valves & such, then port & polish job or have it extrudehoned & you can go well over a grand, but you'll notice a definate power increase....definately find a reputable machine or head shop to do the work, ask around your town, then once you narrow down the choices, talk to each shop & ask them if they have ever rebuilt a mazda head & if they offer any kind of warranty & any other pertinate questions you want answered.