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andy669 · 03-03-2005, 08:07 PM

Yes according to the NHRA rulebook you need metal valve stems with slicks, they may or may not check it. The studs need to extend into the lug, the distance equal to twice the diameter.

Andy

03-03-2005, 08:07 PM	#5
andy669 Registered Member Join Date: Jan 2001 Location: Moline Il Posts: 901	Re: will my slicks cause me to bog now? Yes according to the NHRA rulebook you need metal valve stems with slicks, they may or may not check it. The studs need to extend into the lug, the distance equal to twice the diameter. Andy __________________ 88 coupe 91 LX NMRA Pure Street 5120