950 big bore

Hello. I have a 950 big bore kit for my Le Mans. I am about to advise DVLA of the change. The kit is from Gutsibits. Can anyone tell me the precise cubic capacity of the new cylinders? I just want to record it correctly with Swansea.
Thanks.

It will be below 950, possibly 948 rings a bell, but might well depend on the cylinder heads and the pistons in your engine.

If it’s as original sizes, the book says 88mm bore and 78mm stroke, capacity 948cc.

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