NGK part # & gap spec. - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Sport/Truck · 01-14-2007, 11:03 PM

I did a search for spark plugs and NGK’s looked like the favorite plug.
I have a 350 with the stock ignition. Does somebody have the correct PN# with gap specs?
Thanks,
s/t

**WorkinLonghorn** · 01-14-2007, 11:29 PM

YR5,.035
http://www.ngksparkplugs.com/part_fi...uv/results.asp

01-14-2007, 11:03 PM	#1
Sport/Truck Sierra Grande Club Join Date: Jan 2007 Location: New Mexico USA Posts: 2,433	NGK part # & gap spec. I did a search for spark plugs and NGK’s looked like the favorite plug. I have a 350 with the stock ignition. Does somebody have the correct PN# with gap specs? Thanks, s/t __________________ 1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe.

01-14-2007, 11:29 PM	#2
WorkinLonghorn Senior Member Join Date: Dec 2006 Location: Studio City, Calif. Posts: 2,883	Re: NGK part # & gap spec. YR5,.035 http://www.ngksparkplugs.com/part_fi...uv/results.asp __________________ '69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, stereo speakers, 2nd owner, Work-Truck supreme.

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