pkw2704 Posted May 5, 2021 Share Posted May 5, 2021 ok,imperial chassis s3 and just fitted my new fia rollbar and rain light ,4 bolts in so far,the 2 that fit above the shocks still to do,my question is what size /thread are they ?? Link to comment Share on other sites More sharing options...
simon_h Posted May 5, 2021 Share Posted May 5, 2021 Pretty sure they are 3/8 unf thread but as they need to have a head that’s machined down to about 1/8 thick it’s probably easier to just get the ones from caterham or go to redline for them as they are only a couple of pounds for two. Part no 79085FIA Link to comment Share on other sites More sharing options...
pkw2704 Posted May 5, 2021 Author Share Posted May 5, 2021 Cheers will do , so unf great Link to comment Share on other sites More sharing options...
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