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Charles Stewart · 10-30-2021, 08:56 AM

Go to nhraracer.com in the Tech dept. in the left window, open the " rule section" and then, click to NHRA rulebook and go to the
2021/2022 rules amendments, page 12,13 and next one...

Hope this will help you...

10-30-2021, 08:56 AM	#2
Charles Stewart Junior Member Join Date: Jul 2016 Location: Rivière-du-Loup, (QC) Canada Posts: 80 Likes: 52 Liked 114 Times in 31 Posts	Re: New Comp CYL Head Rules Go to nhraracer.com in the Tech dept. in the left window, open the " rule section" and then, click to NHRA rulebook and go to the 2021/2022 rules amendments, page 12,13 and next one... Hope this will help you...