PROGRESSIVE SUSPENSION - 422-4037C - 422 Series Adjustable Shocks - 950 lb/in - Chrome - Standard
Progressive Suspension built its reputation on shocks that outperform factory equipment, and the 422-4037C continues that tradition with nitrogen-charged damping and multi-stage velocity-sensitive valving. Fully adjustable for ride height and spring preload, ensuring damping performance that matches or exceeds factory specs. Tune suspension to match riding style, so installation is a clean bolt-in job. Shocks feature a show chrome cover. Pair of progressive-rate coil springs and purpose-designed monotube dampers provide superior suspension performance. Made in the USA, the 422-4037C 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 422-4037C is the performance shock serious V-twin riders choose.
Features
- Fully adjustable for ride height and spring preload
- Tune suspension to match riding style
- Shocks feature a show chrome cover
- Pair of progressive-rate coil springs and purpose-designed monotube dampers provide superior suspension performance
- Dampers feature a nitrogen charge that eliminates internal oil cavitation and helps create a consistent ride while resisting heat-induced fade
- Shocks can be adjusted up to 2" lower than stock
- Heavy Duty Applications recommended for operating at or near manufacturer's maximum load rating over 50% of the time.
- Before purchasing or attempting to install shocks that are different than the OEM length, confirm that 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
- Product Name: Shock Absorber
- Spring Type: Single Linear Rate
- Units: Pair
- Damping Method: Gas Charged
- Duty: Standard
- Model: 422 Series
- Mounting Position: Rear
- Type: Coilover Monotube
- Riding Style: Street
- Color/Finish: Chrome
- Linear Spring Rate: 950.00 lb/in
- Reservoir Location: Internal
Frequently Asked Questions - PROGRESSIVE SUSPENSION - 422-4037C - 422 Series Adjustable Shocks - 950 lb/in - Chrome - Standard
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.
