Feuling HP+ Hydraulic Tappets Lifters Set 99-2017 Harley Sportster Big Twin Cam Specialties Tensioners are single piston duplicating

Tensioners are single piston duplicating the output pressure of stock units

12 mm and 18 mm O2 sensor port plugs included

Sleeved for 1/2" diameter bolts

FITS:  2009-2016 HARLEY TOURING ~ BAGGER ~ DRESSER MODELS

Part # 1S12RB

Feuling HP+ Hydraulic Tappets Lifters Set 99-2017 Harley Sportster Big Twin Cam Specialties Tensioners are single piston duplicatingBRAND NEW Part # FM 4000 or 4000 or 499101 or 0929 0005 Fits: 1999 UP Twin Cam and Milwaukee 8 Motors, 2000 UP XL CNC machined and precision ground When used with Feuling's oil pump, they will increase critical oil flow to valves, valve springs, rocker shafts and valve guides Can also be used for OEM replacements Sold in a set of four Made in the U. S. A. Accept most stock oil lines or custom steel braided lines.