Aftermarket pushrods?

Anyone have experience, good or bad, and recommendations?

Looking at these currently but know nothing they don't tell me: https://www.fagengine.com/products/norton-commando-chromoly-steel-pushrod-set-750-850

Except that they do seem to be heavier (steel v aluminum), which isn't a plus.

I have a couple of bikes with them, very high quality products Dan sells. Kibblewhite Precision Machining is as good as it gets.

Steve Maney offers something virtually identical.

AFAIK the logic goes something like this:

Stock alloy pushrods can bend and flex. That flexing adds to valve train instability (valve float etc).

Steel ones, for all intents and purposes, do not flex in a Norton application. Therefore valve train stability is improved.

So, although they are heavier, and we all know that weight in the valve train is a bad thing, the down side of that increased weight is more than offset by the reduction in flex.

However, I’d argue it depends on the application. Stock rods ain’t gonna flex in a stock engine that isn’t revved hard. The benefits come in engines with bigger cams, heavier big valves, stronger springs and high revs.

After market alloy rods like those made by LCR Ken (if he still does them) and JS are also very good.