Telling if stock pistons?

pulsar kid

New Member
Just picked up my pulsar , holding good oil pressure so whipped plug one out and shown at purchase down the bore, I can see a raised circle is this a stock piston?
 

PobodY

Moderators
Staff member
Chances are good.

Insert random google image with raised circle and 54C (that I of course claim no credit for, nor ownership of):



I think this came off a Silvia forum (I didn't look, but the URL says "Silvia" in it), so the other piston will be for other variants of the SR20.
 
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