No. The 9" clutch has the three finger clutch cover with coil springs, the 9.5" has a diaphragm type clutch cover with lots of fingers that is similar to the S3 one, except that it has a spacer ring over the fingers to match the S2a withdrawal sleeve. But your old S2a flywheel should be drilled for both types, although the S3 flywheel may only be drilled for the larger one.
I hope that is clearer!
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