NCY racing plug cap is awesome
the build quality of this NCY plug cap is awesome i can say of different league than other cap i owned like hcraft silicon, rcb and ktc indonesia plug caps.however its only drawback,and a major drawback actually, is i can't plug it in because its clearance is too much smaller than the spark plug thread side,you can see from the photo i attached that those plugs' thread are worn out/damage. then i manually thinkered with the inside to size up a bit. my effort worked out now i can use it perfectly.
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