490 Sport series Shocks 12.5'' for 06-17 Dyna (excl. 12-16 FLD Switchback) (NU) - ChopperShop.com
Progressive 490 Series Shocks 490-1008 | eBay
Progressive Suspension 490 Series Shocks - 490-1017 Harley-Davidson Motorcycle - Dennis Kirk
Progressive 490 Series Shock - YouTube
Progressive 490 Sport Series Standard 13.5" Rear Motorcycle Shocks (490-1012) - Walmart.com
Progressive Suspension - The 490 is a true sport performance shock at heart with an unbelievable low cost! The 490 Sport Series Shocks feature a high-pressure monotube with deflective disc damping technology,