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So, after several years (linky), I've taken the plunge and had these made up (cheers to bambridge) 
Introducing the K24R offset top mounts
As ever, these are black hard anodised aluminium (apart from the sleeve and nut), for strength, weight and longevity.
The bearings are a heat fit, so are totally solid in the top mount body. I also have provision for 3 retaining screws, as a safety net. The bearings are motorsport spec, rated to over 10 tons static axial weight and are PTFE lined, for protection from the elements. On the front, I will be designing a cap to isolate the top of the bearing from any debris but the base needs more thought. Bearing removal... not tried that one but then these bearings cost more each than some 'performance' top mounts, so I'm pinning some high hopes on them
The top plate is held to the body with 4 M8 bolts and the body has provision for a 3mm thick O ring, to help with friction when mounting.
On the front, these top mounts can be used to increase camber by up to 1 deg or castor by 1 deg or both by 0.75 deg, when mounted at 45 deg. For the rest of the permutations and combinations, consult the sine or cosine buttons on your calculator
On the rear, they offer up to 1 deg more camber and the top plates have integrated mounts for a strut brace.
On both axles, the top mounts move the strut top position in by up to 10mm (7.5mm when utilising the combined camber/castor effect) and in doing so, reduce positive camber under extreme deflection, as the tangent between mounting point and wishbone arc moves upwards a bit.
In combination with my 12mm offset subframe mounts, these will offer 2 deg more castor in the front, when used in the combined camber / castor setting, much more positive strut location and more accurate steering.
Downsides are upfront cost (I doubt there will be change from £100 a corner + bearings!), possible harsher ride and extra stress on the body.
Introducing the K24R offset top mounts
As ever, these are black hard anodised aluminium (apart from the sleeve and nut), for strength, weight and longevity.
The bearings are a heat fit, so are totally solid in the top mount body. I also have provision for 3 retaining screws, as a safety net. The bearings are motorsport spec, rated to over 10 tons static axial weight and are PTFE lined, for protection from the elements. On the front, I will be designing a cap to isolate the top of the bearing from any debris but the base needs more thought. Bearing removal... not tried that one but then these bearings cost more each than some 'performance' top mounts, so I'm pinning some high hopes on them
The top plate is held to the body with 4 M8 bolts and the body has provision for a 3mm thick O ring, to help with friction when mounting.
On the front, these top mounts can be used to increase camber by up to 1 deg or castor by 1 deg or both by 0.75 deg, when mounted at 45 deg. For the rest of the permutations and combinations, consult the sine or cosine buttons on your calculator
On the rear, they offer up to 1 deg more camber and the top plates have integrated mounts for a strut brace.
On both axles, the top mounts move the strut top position in by up to 10mm (7.5mm when utilising the combined camber/castor effect) and in doing so, reduce positive camber under extreme deflection, as the tangent between mounting point and wishbone arc moves upwards a bit.
In combination with my 12mm offset subframe mounts, these will offer 2 deg more castor in the front, when used in the combined camber / castor setting, much more positive strut location and more accurate steering.
Downsides are upfront cost (I doubt there will be change from £100 a corner + bearings!), possible harsher ride and extra stress on the body.
so would I 
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