HKS cam identification?

[deathbyspoon]

I came across a set of hks cams for a steal. The seller doesnt know if they're step 1/2/3. The only information i have is that there's a "R2" stamped on the cam, and on one there is the marking "N010" and "N011" on the other.

Do these mean anything to anybody here? Are there any other identifying factors to help me figure out what these cams are?

[PyR0NiAk]

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[240_SeX]

if that doesnt get you anywhere there is a percedure for measuring the lift with a dial indicator, and i know there is a way to meausre duration, just cant remember what you use.

The step 1 is a 256 with a 10.5 step 2 is a 264 with a 11.5 and step three is a 272 with a 12 or 12.5 IIRC

[S13 Curtis]

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