Which OEM pistons have the anti-friction coated side skirts?

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Jun 18, 2003 | 11:34 AM

Smoothy

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From: MA, USA

Which OEM pistons have the anti-friction coated side skirts?

I'm a bit confused as to which ones have it. I always thought it was all dohc vtecs but looking at some pictures, I know that's incorrect. So which ones do have it, and which ones don't.

For those that don't know what I'm talking about, the black sideskirts on the pistons is the anti-friction coating I'm talking about.

Jun 18, 2003 | 11:59 AM

Kataku2K3

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From: Gresham, Oregon, USA

Re: Which OEM pistons have the anti-friction coated side skirts? (Smoothy)

I assume you are refering to the OE tetra methyl coating... In the B series world you have the JDM ITR (P73-00), USDM ITR (P73-A0), and the CTR (PCT) that all get it... I'm not sure about the H22 Type S as I don't work with them too much... The K20R (PRC) may have it too... Sorry I couldn't be more of a help... Peace