M96/97 Valve Sizes, Chamber Volumes, Component details, Failure Types, Misc. Info.
BMW M20 Cylinderheads While these heads, like most BMW heads, offer fantastic performance in stock form, they do leave some room for improvements. The biggest
BMW Services Over the years BMW engineers have released some of the most impressive cylinder heads ever to grace a street vehicle. There isn’t a
BMW M42/M44/M50/M52 Cylinderheads M20 Cylinderheads All of these heads are prone to crack from beneath an exhaust valve seat, across the deck and over to
We see an awful lot of busted exhaust bolts in these heads. And we see a lot of failed repairs. We also see a lot
Porsche 944s/968 Services This family of Porsche heads, including the 4 valve 928’s and 968’s, are simply magnificent. Nice port shapes with enough space to