Hydraulic Performance Lifters by Power House

Fits: 1984-1999 Evolution Big Twin and 1986-1990 Four Speed Sportsters

These performance tappets offer premium performance, strength and reliability at a reasonable price

Made of high strength steel alloy and heat treated for strength and wear resistance

The internal parts are machined to tolerances for long lasting use

POWER HOUSE SPECS

.8425" STD O.D.

OEM Design Hydraulic Tappet

Fits Big Twin Evolution 1984/1999 & Sportster 1986/1990

Replaces HD# 18523-86