A common problem with Spec Miata racecars is the crank pulleys coming loose because of the OEM 10mm bolts breaking as the engine is often bounding off the rev-limiter. These Properly sized bolts wi...
Price is for a set of 4 plugs You want the best for your Spec Miata racecar or track-going Miata? Here it is! These are the same spark plugs we use in our Rossini Racing built Spec Miata engine...
Eibach Anti Roll Bar Kit for 1990-1993 Mazda MiataNew
Kit includes: 2-way Front Adjustable Bar 24mm and 3-way Rear Adjustable Bar 15mm Diameter. Also includes urethane bushings This is the Spec Miata legal sway bar kit included in Mazdaspeed Motorsp...
Eibach Anti Roll Bar Kit for 1994-1997 Mazda MiataNew
Kit comes with one front non-adjustable 24mm sway bar, one rear adjustable 15mm sway bar, urethane bushings and brackets. Designed for 1994-1997 Mazda Miata's, but will work with 1990-1993 Miata's...
Eibach Anti Roll Bar Kit for 1999-2005 Mazda MiataNew
Kit includes: One Non-Adjustable 27 mm Front Bar, one 3-way adjustable 15 mm Rear Bar, Urethane bushings and brackets. Fits all 1999-2005 Mazda Miata's This Eibach Anti Roll Bar Kit is the legal ...
Eibach Mazda Miata 24mm Front Anti Roll Bar KitNew
Two-way adjustable Designed for 1990-1993 Mazda Miata, but will fit 1994-1997 Miata's as well if a smaller adjustable bar is desired (and we recommend this bar to 94-97 Miata's!) Will also fit 199...
Eibach Mazda Miata 27mm Front Anti Roll Bar KitNew
Non-adjustable Fits 1999-2005 Mazda Miata Will fit NA Miata's as well if a larger bar is desired. If fitted to a 90-97 Miata, adjustable endlinks are required to get the proper fit
NOTE! This radiator does NOT come with a cap (recommended 16psi Miata replacement cap), and uses a different top coolant hose (Gates part #: 22271), and will require the intake tube from the 1999...
ESR Spec Miata Transmission Tunnel Notch Out PanelNew
Insert designed to weld into the floor/tunnel area of 1990-2005 Mazda Miatas This insert adds almost three inches of floor space to better mount your racing seat Requires cutting your transmission...
Extended Lower Ball Joints for 1990-2005 Mazda MiataNew
NOW SCCA APPROVED! Kit Includes: two ball joints with new nuts and cotter pins for complete replacement of OEM lower ball joints Legal allowance for SCCA and NASA Spec Miata rules Add approxima...
Please choose from the dropdown list the items you need based off of the numbers in the diagram of the kits components. Adjust the quantity of the items, and if you need several different items, r...
Buyer Beware! There are replica kits out there that imitate this authentic kit which use incorrect materials and roughly cut off-the-shelf bump stops. There is only one legal bump stop kit for Sp...
This kit incorporates all of the features you would look for in a test port and drain kit, such as: No Fuel Spillage
when connecting or disconnecting Very high flow empties tank the fastest Plug i...
G-LOC is a new North Carolina based brake pad company who have taken their cumulative experience in racing brake pads to the next level by offering racers the absolute best brake pad in the indust...
These rollbar mounts are multi-purpose tools that come in handy in the shop. We use them for everything from keeping our shoulder straps in place to mounting equipment to our rollcage with the thre...
Harness Bar Collars/Rollbar Mounts for 1 1/2" TubeNew
These rollbar mounts are multi-purpose tools that come in handy in the shop. We use them for everything from keeping our shoulder straps in place to mounting equipment to our rollcage with the thre...
Configure your own kit using the drop down menu. Choices include: 1990-1993 Miata front only 1990-1993 Miata rear only 1990-1993 Miata full kit (both front and rear sets combined) 1994-2005 Miata f...
Configure your own kit using the drop down menu. Choices include: 1990-1993 Miata front only 1990-1993 Miata rear only 1990-1993 Miata full kit (both front and rear sets combined) 1994-2005 Miata f...
Configure your own kit using the drop down menu. Choices include: 1990-1993 Miata front only 1990-1993 Miata rear only 1990-1993 Miata full kit (both front and rear sets combined) 1994-2005 Miata f...
Heater Hose Sensor Adapter Fitting for Mazda MiataNew
For use with Full Sweep and Short Sweep Electric gauges only. Mechanical Gauge probes are too long for this fitting! 1/8"npt thread for sensor Grounding strap included For mounting Water Temperat...
Improved Racing Adjustable Front Sway Bar Endlinks for NA Mazda MiataNew
Fits front sway bar on 1990-1997 Mazda Miata Designed to work with NA Miata double-ear end link mounts Sold in pairs (does one sway bar) Revised design using High-quality, high-performance, Americ...
Improved Racing Adjustable Rear Sway Bar End Links for NA Mazda MiataNew
Fits rear sway bar on 1990-1997 Mazda Miata Designed to work with NA Miata double-ear end link mounts Sold in pairs (does one sway bar) Revised design using High-quality, high-performance, America...
Improved Racing Adjustable Sway Bar Endlinks for NB Mazda MiataNew
Fits front and rear sway bars on 1999-2005 Mazda Miata (also fits RX-8) Designed to work with NB Miata single-ear end link mounts Sold in pairs (does one sway bar). Choose quantity "2" for a full ...
Innovate Motorsports MTX-L Wideband Air/Fuel Ratio GaugeNew
Key Features: The only 100% digital wideband air/fuel ratio technology! Water Resistant 52mm (2 1/16”) round dash-mountable casing is perfect for automotive, powersports, marine, and demanding...
PRICED INDIVIDUALLY! Add a quantity of 4 for a full set The best looking Spec Miata specific wheel on the market, and we FINALLY GOT THEM! These are designed to meet the Spec Miata rules, but wil...
Koyorad Racing Aluminum Radiator for 90-97 NA Mazda MiataNew
NOTE: DOES NOT INCLUDE A NEW RADIATOR CAP This radiator is designed to use the OEM cap, but you can add a Koyo Racing cap using the dropdown menu This is Koyo's ALL ALUMINUM Miata Racing Perform...
Koyorad Racing Aluminum Radiator for 99-05 NB Mazda MiataNew
NOTE: DOES NOT INCLUDE A NEW RADIATOR CAP This radiator is designed to use the OEM cap, but you can add a Koyo Racing cap using the dropdown menu Fits: manual transmission Miatas from 1999-2005,...
Choose from basic mirror (no brackets), Mirror kit with short length brackets for 1 1/2" roll cage tubing, or Mirror kit with long length brackets for 1 1/2" tubing Mirror Specifications: Style: ...
Magnaflow 4" 2.5" inlet/outlet DIY Racing MufflerNew
CONFIGURATION: CENTER IN/CENTER OUT MAIN BODY LENGTH: 22 IN OVERALL LENGTH: 28 IN IN/OUT DIAMETER: 2.5/2.5 IN CORE SIZE: 2.5 IN EXTERIOR FINISH: NATURAL SATIN
We packaged together the three rubber plugs installed on Miatas not originally equipped with air conditioning using OEM Mazda Genuine parts. These are the exact plugs Mazda sent non-A/C Miatas out ...
Road Course / Track Days concept specific – Aluminum frame D-Shaped flat bottom for additional leg clearance in small cockpits Bright orange stripe/marker embedded in sw body Oval/ extreme ergon...
Fits all 1990-2000 Mazda Miatas. Will NOT fit 2001+ Miatas! Recommended by Rossini Racing Engines and 5X Racing! We use and recommend this plug wire set to anyone because of its secure plug boot...
Our NRG Quick Disconnect Bundle was recommended and spec'd by Mike Rossini of Rossini Racing Engines, a premier Spec Miata engine builder and avid racer in the Mid-Atlantic region. This kit contai...
The Generation 2.5 Quick Release has all the benefits of the Generation 2.0. The dual-spring mechanism is further assisted by the addition of a flared ring that makes it easier to release. This add...
NRG Innovations Gen 2.5 Quick Release Kit for Mazda MiataNew
This kit includes the short hub adapter which fits on the steering shaft of all Mazda Miata's and the NRG 2.5 Quick Release which bolts onto the short hub. This is everything you'll need to instal...
Introducing our new generation 3.0 Quick Release with its new sleek design offers style and functionality that surpasses all previous versions. With the addition of the two larger levers, steering ...
NRG Innovations Steering Wheel Short Hub for MazdaNew
Use this short hub adapter to mount aftermarket steering wheels on your Mazda Miata! We use it in our 1999 daily driven Miata "Streetfighter" project in combination with a Driven Steering wheel an...
Here at 5X Racing we are Spec Miata specialists. We build them, we race them, we use the parts we sell here on them. We are always building our Spec Miata parts line, whether it is custom 5XR products from our own shop or the hottest new Spec Miata Parts out in the marketplace, we will have them here. We also aim to offer the harder to get parts, not the stuff you can get from anywhere. So, check in often to browse our entire line of Spec Miata parts.
5XR goes beyond your average web store because we have a two car Spec Miata race team, one is a 1.6L Miata and the other is a 1.8L Miata. We are experts in what part to use on your car, whether it is a 1.6 or 1.8. If you have any questions or need advice on what to get or how to install it give us a shout, you can use the email contact form on the bottom of the page. Don't forget to check out our 5XR Team Site, you can find pictures, blogs, install tutorials, race results, and info on what we do here. You can access the Team Site by clicking the 5XR Team tab on the top of the site, and let us know what you think by adding comments to our pics and blogs.