Looking for a double roller for a slant 6

On a related subject......has anyone ever lost a chain in a slant 6?? I've been playing with these things for over 40 years now and have NEVER seen a broken chain or one that has skipped. I've had ones so loose they hit the timing cover and caused the ignition timing to vary almost 30 degrees but they still worked. Maybe I've just led a sheltered life...... :-)

Yes, twice-factory chain jumped teeth, the cam gear was the nylon teeth version.
Each time it was while getting off the freeway-letting off the gas...

FWIW The JP set are pretty good, I have one in my 340.


On the convertor snout/crank register interchange, you can have the early convertor guts installed into a later '68 & up shell to remedy the issue as well.
I've had it done myself.