SKU: 24-249638 | UPC: 651860775715
Bilstein B8 2016-2021 Mazda MX-5 Miata Rear Monotube Shock Absorber
Bilstein 24-249638 B8 Performance Plus is a monotube gas pressure shock absorber built as a direct performance upgrade to factory rear dampers. It is designed specifically for use with aftermarket lowering springs on the 2016 and newer Mazda MX-5 Miata and compatible Fiat 124 Spider models. The application-specific valving and monotube construction deliver improved handling response while maintaining ride quality.
Key Features
- Monotube Design: Provides consistent damping performance under high heat and heavy use
- Application Specific Valving: Tuned for lowered MX-5 Miata and Fiat 124 Spider suspensions
- Gas Pressure Technology: Reduces aeration and maintains damping force during aggressive driving
- Direct Fitment: Bolts in place of the factory rear shock without modifications
- OE Quality Testing: Meets or exceeds original equipment standards for durability
- Lowering Spring Compatible: Optimized for use with aftermarket spring sets
Specifications
| Detail | Value |
|---|---|
| Brand | Bilstein |
| Type | Rear Monotube Shock Absorber |
| Compatibility | 2016-2021 Mazda MX-5 Miata and 2017-2020 Fiat 124 Spider |
| Part Number | 24-249638 |
| Weight | 4.8 lbs |
| Shipping Box Dimensions | 20 x 4.5 x 4.5 inches |
| Country of Origin | Germany |
| Warranty | Manufacturer limited warranty |
Whats Included
- One Bilstein B8 rear shock absorber
- Installation hardware as required for direct fit
- Product documentation
Product Notes
- Requires use with lowering springs for proper operation
- Confirm fitment by vehicle year make model and trim before purchase
- Professional installation recommended for best results
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2016-2021 | Mazda | MX-5 Miata | Sport Club Grand Touring RF Club |
| 2017-2020 | Fiat | 124 Spider | Abarth Classica Lusso Urbana |
Why Choose Bilstein?
- Original equipment supplier to multiple vehicle manufacturers
- Proven monotube gas pressure technology used in motorsports
- Rigorous testing for consistent performance and longevity
- Wide range of aftermarket applications for sport suspensions
Frequently Asked Questions
- Q: Is this shock sold individually or as a pair?
- A: This listing is for a single rear shock absorber.
- Q: Can this be used without lowering springs?
- A: It is intended for use with lowering spring sets or production sport suspensions.
- Q: What is the warranty period?
- A: Bilstein provides a limited manufacturer warranty against defects.
Shipping & Handling
- Method: Ground shipping via standard carriers
- Availability: In stock – ships same or next business day
- Packaging: Securely packed in a reinforced cardboard carton





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