Cankshaft has been dynamically balanced & tuftrided by mini-sport ,padiham.The big ends & mains have been machined down by - 010" but the thrust bearings are original & standard. The journals will require machining before use as there has been surface rust on them during storage which has been removed & white lithium grease sprayed on them for protection. this crankshaft is type 12g1321 & is EN16T