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Howdy,
I am replacing all my exhaust bolts with studs. The only problem is having trouble buying some. I'm sticking with the M10x1.25 studs but since my engine has the Egr emission thingy attached at the bottom of the cylinder heads, the studs need to be around 70mm in length minimum. I can find any studs that come in this length. I have tried a number of exhaust shops, bolts shops ect. The longest bolt I have been able to find is 65mm (Thats what I am using at the moment) but they are to short and after the head being cut down, they will be a couple of mm shorter again. I have not enquired with Subaru but one of the local shops I have enquired with advised that they tried subaru and cant get them there.The local shop then advised they would make them from a length M10x1.25 stock but they came back with a stupid price of $150 for 4 x 70mm studs...WTF!!!
Any ideas??
cheers
Justin

Try Repco they sell 'Champion' stuff & they have exhaust studs in there range

buy long bolts and cut the heads off?

Trying to get M10x1.25 in long bolts is almost impossible, no one makes them. I can get M10x1.5 easily but it means I will have to drill and tap the holes in the head. According to "Champion" catalogue, they make M10x1.25x70 in exhaust studs.

buy some allthred bar length M10x1.25 stock it is a off the shelf item and cut them down to what u want .
it will come in a 1meter.

hey im a fitter machinist and we have a fair range of threaded bar at work. i will have a look tommorow and see if we have some 10x1.25 in stock. if we have some and you were willing to pay post i could cut you a bit up and it would be yours free. i will let you know tommorow if i find any.