

Specifications
- Brand
- ISC Suspension
- Part #
- M121B-S
- UPC
- ISC-M121B-S

ISC Suspension 99-05 Mazda MX-5 (NB) N1 Basic Coilovers
$1145.86
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Fits 1999-2005 Mazda Miata. ISC Suspension N1 Basic Coilovers offer improved handling and adjustable ride height.
Key Features
- Fits 1999-2005 Mazda Miata.
- Monotube shock design for improved damping and heat management.
- Adjustable spring perches allow for customizable ride height.
- Spring rates are selected to reduce body roll and improve cornering.
- Designed for direct bolt-on installation.
Fits this vehicle
- Mazda Miata 1999-2005
Product Details
ISC Suspension is known for making well-built suspension components that offer a noticeable improvement in vehicle handling. For your 1999-2005 Mazda Miata (NB generation), their N1 Basic Coilovers are a solid option if you're looking to dial in your car's stance and improve its cornering ability. These aren't just about lowering your car; they're about giving you more control over how your Miata feels on the road or track.
The N1 Basic kit uses a monotube shock design, which generally offers better damping control and heat dissipation compared to twin-tube designs, especially during spirited driving. They come with adjustable spring perches, allowing you to set your ride height precisely where you want it, from a subtle drop to a more aggressive stance. The spring rates are chosen to provide a firmer ride than stock, which helps reduce body roll when you're taking corners. While these are the 'basic' model, they still incorporate ISC's focus on durability and performance for everyday use and occasional track days.
When installing coilovers, it's a good idea to have your alignment checked and adjusted afterward to ensure optimal handling and tire wear. This kit is designed as a direct replacement for your factory suspension components, meaning no welding or major modifications are typically needed for installation. You'll get a more responsive feel from your Miata, making it more engaging to drive.
Specifications
- Brand
- ISC Suspension
- Manufacturer Part #
- M121B-S
- UPC
- ISC-M121B-S
Frequently Asked Questions
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ISC Suspension 99-05 Mazda MX-5 (NB) N1 Basic Coilovers


