Website is down but there's a recent post on Facebooksilverarrow27 wrote: ↑Mon Nov 15, 2021 6:34 pmPreformance Racing's website appears to be down at the moment, hopefully not permanently, but according to their R51 V8 drag strip warrior...intake manifold. $$$$ though. Try to reach out to them as they personally drag race their R51 Pathfinder with a manual transmission conversion.
https://www.facebook.com/preformanceracing/