Progressive 990 Sport series shocks for Harley-Davidson Sportster 990, featuring fully adjustable High and Low Speed compression damping, rebound, preload, and ride height via accessible knobs and hand adjusters. High-pressure monotube design with deflective disc damping delivers consistent feel and improved stability through the entire suspension stroke.
Features
- Adjustable High & Low Speed compression damping
- Adjustable rebound damping
- Hand-adjustable spring preload
- 0.4 in adjustable height eyelet
- High-pressure monotube construction
- Deflective disc damping through dual circuits
- Lightweight aluminum body
- Linear rate coil spring
- Captured jounce bumper
Specifications
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Brand: Progressive
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Manufacturer Part #: 990-1003
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Weight: 11.55 lb
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Category: Suspension / Shocks and Struts
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California Prop 65 Warning: Yes — see P65Warnings.ca.gov
Fitment
Fits Harley-Davidson Sportster 990 models.
Frequently Asked Questions
Can I adjust these shocks without special tools?
Yes — High and Low Speed compression, rebound, and preload all adjust via easily accessible hand knobs and threaded adjusters. No tools required for most tuning.
What does the adjustable height eyelet do?
The 0.4 inch adjustable eyelet lets you raise or lower the rear ride height for different loads or rider preference without replacing the entire shock.
Are these shocks street legal?
Yes — Progressive shocks are designed for street use and comply with DOT regulations.
Will these fit my Sportster models before or after the 990?
This part number is specific to Harley-Davidson Sportster 990. Other Sportster generations require different Progressive shock part numbers.
How do I know which settings to start with?
Progressive includes adjustment guidelines with the shocks. Start with baseline settings and fine-tune compression, rebound, and preload based on your weight and riding style.
California Proposition 65 Warning
WARNING: Cancer and Reproductive Harm — California Prop 65 (Y). www.P65Warnings.ca.gov