one of the few( if any) single planes which doesn’t seem to give up the bottom to dual planes, yet pulls good up to 6500 or so.
Its ports are on the small side. Good velocity, and can be opened up Good bit. Opened mine up on my current 418 ran good, until I swapped to the Bloomers and Victor last season.
Guy who bought my Eddie’s and that intake sent isn’t going to use them anytime soon, he jumped up to Indy heads. Thought he was just gonna bolt them on and go. Would be an ideal stock stroke top end for someone.