Harley Primary Chain 1980-2006 Big Twin by Regina Chain OEM 40037-79

Manufactured in Italy with the best quality components available.
Used by Harley-Davidson® on OE models.
Use these primary drive chains for the utmost confidence.
Fits FLT models 1980/2006, FXR Models 1982/Later.
Engine Sprocket Size:  24T or 25T.
Size/Row/Pitch:  428/2/76.
Replaces HD# 40037-79.
REGINA CHAIN®