PROGRESSIVE SUSPENSION 412 SERIES HEAVY DUTY AMERICAN-TUNED GAS SHOCKS BLACK 13" 909570 Head dimensions 20mm wide x

Head dimensions 20mm wide x 13mm high x 15mm deep

Measure 2-1/4" L x 3/4" H

These allow to install the carbs on various models

With mount

PROGRESSIVE SUSPENSION 412 SERIES HEAVY DUTY AMERICAN-TUNED GAS SHOCKS BLACK 13" 909570 Head dimensions 20mm wide x412 Series ShocksManufactured from the finest materials available Designed specifically for Harley models The 412's simple, durable design makes them a cost effective improvement to your motorcycle's suspension performance A five position cam style spring load preload adjuster lets you easily dial in your ride Available with either a standard or heavy duty progressive spring rates There are multiple style options available, like full show chrome or