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Old 30th May 2015, 08:23 AM
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Stot Stot is offline
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Join Date: Nov 2012
Location: Wolverhampton
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MK1 splines are never an inch. They take a 17mm nut IIRC and 15mm sounds right. NA and NB Mazdas are the same, dont know about NC.

http://www.demon-tweeks.co.uk/perfor...wheel-boss-kit

Same boss for 90-05 cars.

Sounds to me like your boss is wrong.

Cheers
Stot
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