Erson describes that camshaft as 'Good idle and fuel efficiency. Excellent replacement camshaft for cars or trucks with campers, towing moderate loads. May be used with small displacement centrifugal, vane or rootstype superchargers. Computer compatible'.
[URL]https://motorsportsunlimited.com/content/2018QuickLookCatalog.pdf[/URL]
It looks to have a less duration than a stock 340 cam.