Do it yourself.
There's nothing special about the Zs oil system that would make it necessary to find someone who has experience with the cars. The filter and drain bolt are on the bottom of the engine, not hidden somewhere like a Euro car.
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Competition Clutch|Fast Intentions|Maxbore|NST|Setrab|Stillen|Tomei|Uprev| Z1
Avant Garde|SPC|Stance|Whiteline
Aerojacket|Seibon|Tanabe|TRS|TWM
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