TwinPower 492795 Twin Power 77-90 XL Primary Chain Adjuster Lining Replaces H-D 39966-80

Twin Power is a company that designs and produces quality parts and accessories for American V-Twin motorcycles, established in 1982. They focus on providing parts that meet the needs of Harley-Davidson riders, prioritizing quality, functionality, and value. Twin Power ensures that all products are tested in independent labs and that they would use the parts on their own bikes before offering them to customers.