SBM "MagnaVelocity" mushroom camshaft.

I don’t know about that cam in a lightweight drag car but the lifters are worth gold. I’m always on the lookout for a set but can never find them.

If the info you have doesn’t list the .050 number the only way I know to get that for one of theses cams is to multiply the advertised duration by .85 and Chrysler says that’s the number.

If that’s the case that’s a really slow lobe.