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That independent test said otherwise!
I'll agree the PRC 215's or 227's would be the fair comparison to the AFR's being the aftermarket casting like the AFR!

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Alot of people get sensitive when it comes to these threads cause they dont want sponsors bashing...

TSP/AFR make great products.. I love seeing vids of budget PRC heads and a medium cam pulling away on cobras..and i love seeing vids of big 400+CI LSX with AFR pulling nasty.. Both are proven.


