Oil Pump Drive Gears

Oil pump breather valve gear 

Harley OE Part Num : 26318-37

Fits: 1957-76 Sportster

Harley OE Part Num : 26318-75

Fits: 1977-87 Sportster

Harley OE Part Num : 26318-88A

Fits: 1988 to Present Sportster