Harley-Davidson 18572-13 Screamin' Eagle High-Capacity Tappets Screaming Eagle part-axle-nut side-by-sides

side-by-sides

lube and heavy chain grime using advanced solvents

cleaning or buffing

86-later Touring (except FLHTCUL and FLHTKL) and 08-later Trike models

front and center

Harley-Davidson 18572-13 Screamin' Eagle High-Capacity Tappets Screaming Eagle part-axle-nut side-by-sidesKIT TAPPET,S. E. TWIN CAM This latest version of the Screamin' Eagle High Capacity Tappet incorporates a special heat treatment on the bearing needles and axle. In addition to the already proven, 25% larger, high capacity needle bearings, this new heat treat technology increases material hardness and compressive strength, ultimately enabling the tappet to withstand the grueling engine speeds and high valve lift found in many performance engine