(Shameless plug)
I have put the following items up for sale:
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?ViewItem&item=2451775008 Steering box (v good condition) and Steering wheel (reasonable, no horn push) for Series II and early IIa, possibly SI as well. The steering wheel is the early spoked type with pinch bolt, box to match. If you're looking for the correct type for your SII, here they are.Alex