PROGRESSIVE SUSPENSION - 990-2004 - 990 Series Shocks with Remote Reservoir - 13" - Black - Heavy-Duty
Progressive Suspension built its reputation on shocks that outperform factory equipment, and the 990-2004 continues that tradition with nitrogen-charged damping and multi-stage velocity-sensitive valving. Easily accessible adjustment knobs for high- and low-speed compression damping, ensuring damping performance that matches or exceeds factory specs. 0.4” adjustable height eyelet, so installation is a clean bolt-in job. High-pressure gas monotube. Captured designed jounce bumper for smooth and controlled bottoming. Made in the USA, the 990-2004 is available in multiple lengths and Standard or Heavy Duty configurations. Whether you're returning a classic cruiser to its best ride or upgrading a touring bike for long-distance comfort, the 990-2004 is the performance shock serious V-twin riders choose.
Features
- Easily accessible adjustment knobs for high- and low-speed compression damping
- 0.4” adjustable height eyelet
- High-pressure gas monotube
- Captured designed jounce bumper for smooth and controlled bottoming
- Remote reservoir
- Aluminum body
- Linear rate coil spring
- Deflective disc damping
- Sold in pairs
- All shocks are measured center-of-eyelet to center-of-eyelet.
- Made in the U.S.A.
- A shock which is slightly longer than stock may alter the head angle slightly and provide somewhat quicker steering.
- Heavy Duty Applications are recommended for bikes that are operated at or near the manufacturer's maximum load rating over 50% of the time.
- Before purchasing or attempting to install shocks that are different than OEM length, confirm your wheel travel can be altered without causing clearance issues, such as swingarm/axle to exhaust contact as well as chain/belt guard or tire contact.
Specs
- Adjustment Type: Adjustable Spring Preload
- Duty: Heavy Duty
- Adjustment Type: Adjustable High and Low Speed Compression
- Extended Length: 13.00"
- Model: 990 Series
- Damping Method: Deflective Disc
- Adjustment Type: Adjustable Rebound Damping
- Riding Style: Street
- Material: Aluminum
- Type: Coilover Monotube
- Product Name: Shock Absorber
- Reservoir Location: Remote
- Units: Pair
Frequently Asked Questions - PROGRESSIVE SUSPENSION - 990-2004 - 990 Series Shocks with Remote Reservoir - 13" - Black - Heavy-Duty
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
