air filter mounting nuts

[boyzey]

help needed
im on with fitting my new jabba induction kit,
wen i bought the car it had no air box jst a cone filter so im missing the 2 nuts that bolt the air box 2 the body, wich i naw need 2 bolt on my heat sheild lol. all the nuts i hav tried wont fit, any ideas wot size thred the studs are because im gessing ther a wierd thread or possibly a 9mm threat.

any ideas please thnx

[Dan]

The studs on the inner wing are M6. If you are struggling with them, run a die down them.