James, main gear oil stamp of metal transmission for Harley Davidson

For 4 -speed models it adapts to the 4th march, for 5 -speed models it adapts to the 5th march.
Replacement reference OEM 12013, 12013A.
5 units

Compatible with:> 65-E66 4 BT speeds; 4 speed L81-84 BT; 5 speeds 80-90 b.t.