Progressive 412 Series Shocks 13" Standard 04-22 Sportster Metric Parts Holey Battery Box

Holey Battery Box

Adjustable timing retard for nitrous and turbo applications

Full coverage heat shields

2012 - FLHX Street Glide

or shift peg

Progressive 412 Series Shocks 13" Standard 04-22 Sportster Metric Parts Holey Battery BoxProgressive Suspension 412 series shocks for Harley Davidson Sportster (13 inch standard duty black) Progressive's 412 Series shocks are the "bang for the buck" standout in Progressive's catalogbut "value" doesn't mean "budget" here. A vast improvement over sacked (or even new) stock suspension, the 412 rides nicer and will up your cornering abilities noticeably. Double wall steel bodies are nitrogen charged, and velocity sensitive valving handles