no kbr, the screws referred to hold the 3 speed shift lever on the steering column, nothing to do with the SM420 4 speed, but you might find something here

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics