Have you put big bore pistons, heads and cams in your Harley? Realize their full potential with a ThunderMax throttle body! ThunderMax throttle bodies are available 50, 54 and 60mm in multiple widths to suit most any engine size and performance application.

Designed for no-hassle, stock-like installation and accepts factory components. Combined with the MaxFlow air cleaner, this combination substantially raises intake airflow capabilities.

Two-piece design replaces stock 44mm units found on 2001-2005 model Big Twins; one-piece style replaces stock 46mm found on 2006-up cable operated engines. Made with pride in USA!

See your favorite dealer or contact:
--ZIPPER’S PERFORMANCE PRODUCTS
6655-A Amberton Drive
Elkridge, MD 21075