SELF ADJUSTING PRIMARY CHAIN TENSIONERS FOR HARLEY DAVIDSON BIG TWIN & SPORTSTER
WEIGHT: 0.57- SPRING LOADED TO PROVIDE CONSTANT TENSION ON THE PRIMARY CHAIN
- ELIMINATES CHAIN SNATCH ON DECELERATION
- PROMOTES SMOOTHER SHIFTING AND LESS STRESS ON TRANSMISSION COMPONENTS
- IMPROVES CHAIN LIFE
- INCLUDES INSTALLATION INSTRUCTIONS
HAYDEN
FITS SPORTSTER 4 SPEED 1977/1990