TwinPower Twin Power 65-00 Big Twin Models Primary Chain Adjuster Kit - 411445 Twin Power primary chain adjuster plate kits refresh the primary tensioning system with accurately stamped components, improving stability and extending service life on older Big Twin models. $99.99
TwinPower Twin Power 07-Up Softail 06-17 Dyna Primary Chain Replaces H-D 40036-06 - 591205 These high-quality replacement primary chains from Twin Power™ are superior to the O.E.M. parts. Our premium quality endless chains offer you precision-ground side plates for smoother operation... $99.99
TwinPower Twin Power 07-Up Touring Primary Chain Replaces H-D 40037-07 - 591204 These high-quality replacement primary chains from Twin Power™ are superior to the O.E.M. parts. Our premium quality endless chains offer you precision-ground side plates for smoother operation... $99.99
TwinPower Twin Power 01-06 Big Twin Except 06 Dyna Primary Chain Adjuster Kit - 489623 Twin Power primary chain adjuster plate kits refresh the primary tensioning system with accurately stamped components, improving stability and extending service life on older Big Twin models.This... $94.99
TwinPower Twin Power 36-86 FL FX 84-06 Softail 91-05 FXD Primary Chain Replaces H-D 40007-36B - 591201 These high-quality replacement primary chains from Twin Power™ are superior to the O.E.M. parts. Our premium quality endless chains offer you precision-ground side plates for smoother operation... $89.99
TwinPower Twin Power 65-06 Big Twin Exc O6 Dyna Primary Chain Adjuster Plate Kit - 492845 The Twin Power™ Primary Chain Adjuster Plate Kit is an O.E.M. quality replacement. The kits refresh the primary tensioning system with accurately stamped components, improving stability and extending... $44.99
