flushness; tsuraichi
Automotive term for the condition where a wheel face is flush with the fender, a key concept in stance and fitment culture. Also used as an adverb to describe something being flush or level.
These wheels are flush with the fenders and look cool.
You need spacers to adjust it to be flush.
Katakana spelling is common in automotive contexts; usually written in kana.
Kanji spelling is uncommon; lists it but the word is usually written in kana.
Compound of 面 (つら, 'face, surface') and 一 (いち, 'one'), literally 'surfaces become one'. The exact derivation is uncertain, but it likely originated in automotive customization circles to describe a perfectly flush fit.