Note: Conventional lead-acid batteries require filling with electrolyte (a mixture of sulphuric acid & water) before use

5/8-18 thread

8mm and installs with pre-installed 3M adhesive securely to most cars

06-17 Dyna

ps drop in fork lowering kit 49mm tubes softail 18 21 7OM Note: Conventional lead-acid batteries requireLower your Harley Davidson fork up to 2" in 30 minutes. No need to disassemble the forks, pulling the wheel or even changing the oil. The installation can be done without special tools. The Progressive Suspension shorter springs and the new secondary compensator springs makes this kit truly a drop in installation and, in contradiction to popular belief, actually improves the ride quality. Fits: 18 21 FLDE, FLFB S, FLHC S, FLSL, FXBB S, FXBR S, FXLR