200kW engines have Ford Motorsport roller-rockers, apparently manufactured by Crane. I would therefore expect the 220 and 250 engines to be so equipped.
...I really meant to say that the latter engines would be equipped with RRs. Whilst my post implies that they are the same as those in the 200kW engine, clearly they are not.
FYI, The 1.6:1 ratio RRs in the *200kW AUII* engines are FRPP part number M-6564-B351 (set) / M-6564-BS51 (pair)
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