PROGRESSIVE SUSPENSION 490 SERIES 490 12.00 FL BLK STANDARD PR-490-1005 Riser or if the vacuum port

or if the vacuum port hole has been modified causing drivability problems

Part Number : 60-60450

providing superior damping and ride control combined with tunable preload and a new benchmark for high performance suspension

XL 1200 NS Sportster Iron (2018-2021)

Part Number : GR-SP1000-093ZBK

PROGRESSIVE SUSPENSION 490 SERIES 490 12.00 FL BLK STANDARD PR-490-1005 Riser or if the vacuum portPROGRESSIVE SUSPENSION Part Number : PR 490 1005 PR 490 1005 True sport performance shocks Feature a high pressure monotube with deflective disc damping technology, hand threaded pre load and rebound adjustment Linear rate spring allows riders to fine tune the damping and consistently withstand extreme temperature ranges and heavy loads Engineered jounce bumper and cup also help smooth out and control bottoming Made in the U. S. A All shocks are