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What they are: Extremely low quality. The rings are not even hardened, they plastically deform, check this out:
Talked to a local engine builder this morning, just to get some feedback. Feedback from him was: the only possible places of origin are China or America for such a bad product. There is no engineering here at all. Certainly no precision engineering.
The circlip was invented in Europe, and the original DIN 471 standard was published in 1954. This is how a circlip looks like:
This here, what Diamond Pistons has "drawn up" is not cutting it. These circlips are soft wire, from the local store.
Surprising how thousands of engine builders accept it, not knowing that 16x properly engineered circlips can be installed in less than 60 seconds. They just deal with the low quality they get and aren't experienced and thoughtful enough to ask how it really should be done. It is not really the manufacturer here, but the many people who accept such low quality.
You can use these wire-locks if the situation and the wire lock is engineered for it. This is not the case here. No engineering anywhere.
LS7 Build for Boost
