VT#: 12-1496
Sifton high flow pinion shaft oil pump drive gear is for 1939-1953 OHV Big Twins. This 6 tooth gear increases oil flow rate by approximately 25%. Also available as a kit that includes correct drive shaft gear.
EL 1939-1940
FL Electra Glide® 1941-1953
Requires use of late style oil pump gear #12-1407 OEM # 26345-73.