The dimension's of the shock and loads involved are what the shock needs to prevent cavitation. 14mm shaft with a 46mm body. 7.7kg spring
You stated
KYB K2C shock oil-stk IMO very good stuff.
K2C is good but what viscosity is it?
Its a Soqi shock with mystery oil inside... Not a KYB component..
When did you become interested in the WR Allen ?