SKU: SPL EL NC
SPL Parts 06-15 Mazda Miata (NC) Eccentric Lockout Kit
The SPL Parts Eccentric Lockout Kit replaces stock eccentric bolts that slip under high cornering loads and cause rear alignment changes. This kit locks camber and toe settings for consistent handling on 2006-2015 Mazda Miata MX-5 NC and 2004-2011 Mazda RX-8. Pair with adjustable control arms for precise adjustments and no movement during aggressive driving.
Key Features
- Zero-Slip Lockout Plates: Eliminate stock eccentric bolts to hold exact rear alignment under extreme cornering forces
- CNC Machined Construction: Cut from 6061-T6 aluminum for lightweight strength and exact fitment
- High-Strength Hardware: Zinc-plated grade 10.9 bolts and lock nuts provide unbreakable clamping force
- Complete Coverage: One kit equips both camber and toe arms for left and right sides on one vehicle
- USA Made: Manufactured in the United States with full quality control
Product Notes
- Requires adjustable rear control arms to set camber and toe after installation
- Kit includes parts for left and right sides on one complete vehicle
- Direct replacement for SPL adjustable arms and compatible aftermarket options
Installation Notes
- Professional installation recommended.
- Install only after fitting adjustable control arms
- Secure with included grade 10.9 bolts and lock nuts for maximum clamping force
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2015 | Mazda | MX-5 Miata | Sport |
| 2007-2009 | Mazda | MX-5 Miata | SV |
| 2006-2012 | Mazda | MX-5 Miata | Touring |
| 2008 | Mazda | RX-8 | 40th Anniversary Edition |
| 2004-2007 | Mazda | RX-8 | Base |
| 2008-2011 | Mazda | RX-8 | Grand Touring |
| 2009-2011 | Mazda | RX-8 | R3 |
| 2005 | Mazda | RX-8 | Shinka |
| 2008-2011 | Mazda | RX-8 | Sport |
| 2008-2009 | Mazda | RX-8 | Touring |
| 2015 | Mazda | MX-5 Miata | 25th Anniversary Edition |
| 2006 | Mazda | MX-5 Miata | Base |
| 2013-2015 | Mazda | MX-5 Miata | Club |
| 2006 | Mazda | MX-5 Miata | Club Spec |
| 2006-2015 | Mazda | MX-5 Miata | Grand Touring |
| 2011-2012 | Mazda | MX-5 Miata | Special Edition |
Why Choose SPL Parts?
- Specializes in high-performance suspension for Mazda track enthusiasts
- Uses premium materials built to withstand racing demands
- Delivers exact engineering for bolt-on reliability and performance gains
Frequently Asked Questions
- Q: Does this kit require adjustable control arms?
A: Yes, adjustable rear control arms are necessary to make camber and toe adjustments after removing stock eccentric bolts. - Q: What materials are used in the lockout plates and hardware?
A: Plates are CNC machined from 6061-T6 aluminum with zinc-plated grade 10.9 steel bolts and lock nuts. - Q: What is the warranty on this product?
A: SPL Parts offers a limited lifetime warranty against manufacturing defects when installed and used properly.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact protective box 8 x 6 x 2 inches
- Weight: 0.7 lbs
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