Originally Posted by
steveboyslim
The WRC spec YB engine did/does use valve springs from a Cosworth DFV.
They are also used in BD series engines, made by Schmitthelm, some of the best available.
Steve
iv only just seen your post mate and i wished id seen it before i just rang joe and asked where we get these springs from...thank you and atleast someone on here is knows his shit
cheers danny