Designed exclusively to be used with A-6201 forged connecting rods. Not just an over the counter insert, these are made specifically for the Model A. They wrap around the edges of the rod to provide forward and backward thrust just like the original babbited connecting rod! A set is enough inserts for 4 connecting rods. These inserts fit the connecting rods that measure 1-1/2" wide at the crankshaft journal.
