JIMS Evo Adapter For Tappet Pump And Test Stand, Must be used in conjunction with PART #3801-0192, Harley 84-00 FX 84-99 FL 87 - 94 XL
Allow you to fill hydraulic tappets before assembling valve train
Helps diagnose loose or spongy tappets that could eventually lead to bleed-down issues or sticky tappets that won't pump up due to poor hydraulic unit fitment