Twin Power 77-90 XL Primary Chain Adjuster Lining Replaces H-D 39966-80

Keep the proper tension on your primary chain with the Twin Powerâ„¢ Primary Chain Adjuster Linings.

This Part Fits:

Year	Make	Model	Submodel
1977-1979	Harley-Davidson	XLCH	Base
1977-1978	Harley-Davidson	XLCR Cafe Racer	Base
1986-1987	Harley-Davidson	XLH1100	Base
1988-1990	Harley-Davidson	XLH1200	Base
1986-1990	Harley-Davidson	XLH883	Base
1986-1990	Harley-Davidson	XLH883DLX Sportster 883 Deluxe	Base
1987-1990	Harley-Davidson	XLH883HUG Sportster 883 Hugger	Base
1978-1985	Harley-Davidson	XLS Roadster	Base
1977-1978	Harley-Davidson	XLT	Base