The 2006 through 2007 Mack with Stability Control 3 Hole Hub Adapter is a practical and essential accessory for Mack truck owners. Available in black with a 36 spline count, this adapter is designed to fit most Mack models from 2006 through 2007 with Stability Control (ESP). Sold individually, this adapter is a must-have for Mack truck owners looking to enhance their vehicle's stability and control. With its easy installation and durable construction, this hub adapter is a reliable and practical solution for Mack truck owners.