It just isn't a drop in swap - $90 for the rail and lower intake manifold - does that include the pigtails? The lower intake manifold to head gaskets are also expensive. > $70 to $150 - [ http://www.z1motorsports.com/product_info.php?cPath=4_36_112&products_id=571 ] [ http://www.z1motorsports.com/product_info.php?cPath=4_36_112&products_id=3777 ] You can shape the runners to match, but this is the hard route to take! Use the adapter kit and leave your lower intake manifold undisturbed. [ http://www.yugobernie.com/images/Plenum_Cross_Fitment/# ] [ http://z32.wikispaces.com/Fuel+Injector ] [ http://specialtyz.com/shop/default/300zx/jwt-injector-adapter-kit.html ] [ http://www.z1motorsports.com/product_info.php?products_id=3348 ] https://conceptzperformance.com/Cart/description.php?II=7731 There are some comparisons here but looking at the gasket differences should give you an idea. Good Luck.
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