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95 S_Trucker · 01-14-2020, 07:11 AM

Are you still using the poppet style or the upgrade style?

The upgrade is 276 on summit and 275 on amazon. That is standard motor products(reputable brand)

The poppet style is outdated and has been phasing out for years.

01-14-2020, 07:11 AM	#2
95 S_Trucker Registered User Join Date: Oct 2009 Location: . Posts: 2,178	Re: Summit Racing Are you still using the poppet style or the upgrade style? The upgrade is 276 on summit and 275 on amazon. That is standard motor products(reputable brand) The poppet style is outdated and has been phasing out for years.