I fitted the one that mounted to the bottom plate (it was a SSL one if I remember). In my head, it seemed a better option than adding a clamp round the leaf spring, but I can't offer any mechanical explanation as to why.
No clearance issues.
"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10
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