Benjamin Swatton Posted August 10, 2021 Share Posted August 10, 2021 The original spec bolts part 113150 are no longer available, even trying to find them using classic car bolt specialists and trawling ebay has drawn a blank -they are NOT available. Consequently suppliers are substituting a different bolt 132023 this is actually the bolts for the halfshaft UJ flange - it is not the same bolt the shank is slightly shorter by 1/8th inch... Photos show the difference between the two bolts..It needs to be a 1/2inch shank length no more no less.. The result is if you use the 132023 substitute bolt the braking force is acting in shear across the bolt thread rather than the bolt shank which is bad eng practice and not as triumph intended whereby the shank is long enough to pass all the way through the brake disk flange and on into the hub clearance bore. Something to bear in mind before chucking out your rusty old OEM bolts and replacing with shiny new.. I carefilly cleaned my 50 year bolt and hub threads up with tap and die and they're good to go again 2 Quote Link to comment Share on other sites More sharing options...
Benjamin Swatton Posted August 10, 2021 Author Share Posted August 10, 2021 Ps. Even trying to find a longer bolt with correct shank length and chopping it down won't work as nobody seems to be doing a 1/2 inch shank length at all they only do something longer which is then too long for hub clearance bore 😂 Quote Link to comment Share on other sites More sharing options...
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