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Lew Silverman · 10-28-2011, 10:14 PM

The Lunati's I bought had both, stamped into the face of the piston, "NHRA" and the part number. I'm not sure if every company does this, but I would bet that as long as the part number is on the approved list you should be good to go!

Lew

10-28-2011, 10:14 PM	#3
Lew Silverman VIP Member Join Date: Mar 2010 Location: Newport News, VA Posts: 1,435 Likes: 371 Liked 129 Times in 59 Posts	Re: ? about stocker pistons The Lunati's I bought had both, stamped into the face of the piston, "NHRA" and the part number. I'm not sure if every company does this, but I would bet that as long as the part number is on the approved list you should be good to go! Lew __________________ Lew Silverman #2070 "The Wagon Master" N/SA