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Notes
The Mazda Spec Miata NA8 is a race-prepared version of the second half of the first-generation Mazda MX-5 Miata, specifically the 1994-1997 NA8 Miata models. These cars are powered by a 1.8L DOHC inline-four engine, producing around 128 hp in stock form, paired with a 5-speed manual transmission. The NA8 Spec Miata was chosen for its lightweight design, superb handling, and affordability, making it a popular choice for grassroots racing and amateur motorsports.
In the Spec Miata class, the NA8 Miata undergoes specific modifications and regulations to ensure close competition. Key modifications include safety upgrades, such as a full roll cage, racing seat, and harnesses, as well as suspension and brake upgrades for improved handling and consistency on the track. The engine remains mostly stock, but exhaust, suspension components, and tires are standardized across the class to level the playing field. This results in a highly competitive racing environment that emphasizes driver skill, making the Spec Miata class one of the most accessible and popular forms of racing in the United States.
OEM Specs
engine Description
1.8L NA I4 (BP-4W )
drive Type
RWD
0-60 MPH
7.2 SECs
TOP SPEED KPH
190
gearbox
5-SPEED MANUAL
torque
110 N.M
Model Years
1994-1997
Compare to
Popular Mazda Spec Miata NA8 Mods by Level
From 7 documented buildsMedium
2 builds
Tires
Yokohama Advan A0521· Hankook Ventus V7301
Race
4 builds
Tires
Toyo Proxes RR2· Maxxis RC-12· Hankook Ventus RS41
Suspension
MW Racing Dampers1· Supermiata S21
Brakes
Wilwood Dynalite1
Intake/Exhaust
Roadster Sport Headers1· Roadster Sport Exhaust1· Mazda Squaretop Intake Manifold1
Power/Tune
Mazda VVT Engine1· Adaptronics ECU1
Weight
Stripped Interior2
Other
Multi-Point Roll Cage1· Race Seat1· Race Harness1· Custom Roll Cage1· Racing Seat1
Lap Times
| Time | Track | Car | Mod | Driver | Tire | Lap Date | Date Added | vs Predict | Pace |
|---|---|---|---|---|---|---|---|---|---|
| 1:33.5 | Laguna Seca (Pre 2023) | Race | 26 Jul, 2022 | 22 Jan, 2026 | -11.59s | +12.94% | |||
| 1:20.6 | Sebring (Club Circuit) | Race | 09 Jun, 2025 | 25 Jun, 2025 | -4.46s | +5.81% | |||
| 1:23.8 | Portland International Raceway - PIR (CW) | Race | 12 May, 2025 | 28 May, 2025 | -3.13s | +3.94% | |||
| 1:24.3 | Portland International Raceway - PIR (CW) | Race | 29 Apr, 2025 | 29 Jun, 2025 | -2.76s | +3.46% | |||
| 1:40.5 | Homestead-Miami Speedway (Modified Road Course) | Race | 26 May, 2025 | 27 May, 2025 | -2.9s | +3.03% | |||
| 1:25.9 | Motorsport Ranch-MSR Cresson (1.7 CW) | Race | 10 Dec, 2023 | 06 Jul, 2024 | -2.12s | +2.61% | |||
| 55.5 | Luddenham Raceway | Race | 29 Aug, 2022 | 23 Jan, 2026 | -1.3s | +2.46% | |||
| 1:48.6 | Club Motorsports | Race | 29 Aug, 2017 | 18 Jan, 2026 | -2.32s | +2.26% | |||
| 1:36.4 | Willow Springs Raceway (Big Willow) | Race | 27 Sep, 2025 | 11 Jan, 2026 | -1.77s | +1.94% | |||
| 1:19.2 | Putnam Park Road Course | Race | 05 May, 2014 | 18 Jan, 2026 | -1.47s | +1.92% | |||
| 2:29.1 | Road America (Pre 2023) | Race | 22 May, 2022 | 14 Oct, 2024 | -2.77s | +1.92% | |||
| 1:54.7 | Sonoma Raceway (Long) | Race | 11 Mar, 2025 | 08 Nov, 2025 | -1.73s | +1.60% | |||
| 2:11.5 | Buttonwillow Raceway (25A CW) | Race | 26 Oct, 2025 | 04 Jan, 2026 | -1.92s | +1.55% | |||
| 2:15.5 | Watkins Glen International (Full Circuit w/ Loop) | Race | 15 Sep, 2017 | 18 Jan, 2026 | -1.98s | +1.55% | |||
| 2:07.7 | Thunderhill (East 3 Mile w/ Bypass) | Race | 23 May, 2025 | 08 Nov, 2025 | -1.86s | +1.54% | |||
| 1:37.0 | Willow Springs Raceway (Big Willow) | Race | 04 Jun, 2025 | 21 Jun, 2025 | -1.34s | +1.47% | |||
| 1:55.2 | Sonoma Raceway (Long) | Race | 20 Mar, 2025 | 28 May, 2025 | -1.4s | +1.29% | |||
| 1:17.9 | New Jersey Motorsports Park-NJMP (Lightning) | Race | 04 Nov, 2023 | 17 Nov, 2023 | -0.84s | +1.15% | |||
| 1:35.3 | New Jersey Motorsports Park-NJMP (Thunderbolt) | Race | 06 Jun, 2025 | 11 Jul, 2025 | -1.03s | +1.15% | |||
| 2:16.1 | Watkins Glen International (Full Circuit w/ Loop) | Race | 10 Jun, 2025 | 25 Sep, 2025 | -1.37s | +1.07% | |||
| 1:45.8 | Summit Point Motorsports Park (Shenandoah Circuit CCW) | Race | 25 Aug, 2025 | 04 Sep, 2025 | -0.86s | +0.87% | |||
| 1:38.3 | Pacific Raceways | Race | 26 May, 2025 | 28 May, 2025 | -0.6s | +0.65% | |||
| 2:07.2 | Chuckwalla Valley Raceway (CW) | Race | 20 Feb, 2025 | 12 Apr, 2025 | -0.76s | +0.64% | |||
| 1:19.5 | Mission Raceway Park (CCW) | Race | 10 Oct, 2024 | 07 Nov, 2025 | -0.35s | +0.47% | |||
| 1:26.5 | Summit Point Motorsports Park (Jefferson Extended Circuit CCW) | Race | 26 Aug, 2025 | 04 Sep, 2025 | -0.36s | +0.45% | |||
| 2:14.2 | Buttonwillow Raceway (1CCW) | Race | 25 Sep, 2012 | 10 Jul, 2021 | -0.56s | +0.44% | |||
| 1:17.8 | New Hampshire Motor Speedway - NHMS (South Oval) | Race | 07 Jun, 2025 | 23 Oct, 2025 | -0.3s | +0.41% | |||
| 2:14.6 | Eagles Canyon Raceway (2.7 miles CCW) | Race | 15 Oct, 2021 | 30 Nov, 2024 | -0.45s | +0.36% | |||
| 1:57.2 | Sonoma Raceway (Long Pre 2024) | Race | 01 Sep, 2024 | 16 Jan, 2026 | -0.12s | +0.11% | |||
| 1:56.5 | Sonoma Raceway (Long) | Race | 14 Sep, 2025 | 08 Nov, 2025 | -0.12s | +0.11% | |||
| 1:28.4 | Motorsport Ranch-MSR Cresson (1.7 CW) | Race | 07 Mar, 2022 | 02 Nov, 2024 | -0.06s | +0.08% | |||
| 2:13.3 | Thunderhill (East 3 Mile w/ Cyclone) | Race | 23 Sep, 2025 | 09 Oct, 2025 | -0.08s | +0.07% | |||
| 1:56.8 | Sonoma Raceway (Long) | Race | 24 Jun, 2025 | 09 Oct, 2025 | +0.2s | -0.19% | |||
| 1:52.4 | Inde Motorsports Ranch (Configuration 4 CW) | Race | 05 May, 2025 | 31 May, 2025 | +0.28s | -0.27% | |||
| 1:15.5 | Autobahn Country Club (North Circuit) | Race | 03 Aug, 2025 | 10 Aug, 2025 | +0.26s | -0.37% | |||
| 1:31.8 | Thunderhill (West) | Race | 08 May, 2021 | 07 Mar, 2026 | +0.45s | -0.52% | |||
| 1:41.4 | NCCAR (Road Course CCW) | Race | 15 Nov, 2025 | 19 Nov, 2025 | +0.7s | -0.74% | |||
| 1:50.1 | Podium Club (CCW) | Race | 27 Jan, 2025 | 12 Apr, 2025 | +0.9s | -0.87% | |||
| 2:19.3 | Watkins Glen International (Full Circuit w/ Loop) | Race | 30 Apr, 2025 | 11 Jul, 2025 | +1.48s | -1.13% | |||
| 1:52.1 | Podium Club (CW) | Race | 07 Jan, 2025 | 12 Apr, 2025 | +1.4s | -1.33% | |||
| 1:32.3 | Portland International Raceway - PIR (w/ Chicane) | Race | 17 Jul, 2025 | 20 Jul, 2025 | +1.2s | -1.38% | |||
| 1:40.1 | Pacific Raceways | Race | 28 May, 2025 | 20 Jul, 2025 | +1.3s | -1.38% | |||
| 1:41.3 | Dominion Raceway | Race | 01 Jul, 2025 | 04 Sep, 2025 | +1.43s | -1.50% | |||
| 1:32.7 | Thunderhill (West) | Race | 12 Nov, 2025 | 20 May, 2026 | +1.39s | -1.59% | |||
| 1:30.4 | Summit Point Motorsports Park (Main) | Race | 31 Oct, 2014 | 17 Jan, 2026 | +1.38s | -1.64% | |||
| 2:37.9 | Sebring (CW) | Race | 12 Feb, 2025 | 27 May, 2025 | +2.59s | -1.75% | |||
| 1:49.6 | Laguna Seca (Current) | Race | 16 Jun, 2024 | 01 Jul, 2024 | +1.89s | -1.84% | |||
| 2:06.5 | Buttonwillow Raceway (Circuit) | Race | 16 Mar, 2025 | 18 Apr, 2025 | +2.32s | -1.95% | |||
| 1:37.9 | New Jersey Motorsports Park-NJMP (Thunderbolt (Pre 2024)) | Race | 24 Oct, 2016 | 17 Jun, 2021 | +2.3s | -2.49% | |||
| 1:42.8 | Dominion Raceway | Race | 29 Jul, 2025 | 03 Sep, 2025 | — | ||||
| 2:13.6 | Thunderhill (East 3 Mile w/ Bypass) | Race | 02 Feb, 2022 | 26 Aug, 2022 | +3.6s | -2.85% | |||
| 2:39.9 | Sebring (CW) | Race | 10 Feb, 2025 | 28 Jun, 2025 | +4.68s | -3.11% | |||
| 2:05.2 | Inde Motorsports Ranch (Configuration 5-CW) | Race | 05 May, 2025 | 31 May, 2025 | +3.92s | -3.32% | |||
| 1:31.7 | Summit Point Motorsports Park (Main) | Race | 13 Oct, 2025 | 18 Oct, 2025 | +3.02s | -3.51% | |||
| 2:01.3 | Ridge Motorsports Park (Current) | Race | 28 Aug, 2025 | 20 Sep, 2025 | +4.19s | -3.66% | |||
| 1:50.9 | Laguna Seca (Current) | Race | 19 Apr, 2025 | 23 Apr, 2025 | +3.84s | -3.67% | |||
| 1:48.2 | Road Atlanta | Race | 18 Aug, 2025 | 11 Jan, 2026 | +3.94s | -3.87% | |||
| 2:13.6 | Shannonville Motorsport Park (Long CW) | Race | 29 May, 2022 | 17 Jan, 2026 | +4.89s | -3.89% | |||
| 1:57.9 | Donington Park Circuit (CW) | Race | 18 Aug, 2019 | 19 Nov, 2021 | — | ||||
| 1:30.1 | Blackhawk Farms Raceway | Race | 19 Apr, 2025 | 30 May, 2025 | +4.26s | -5.05% | |||
| 1:28.1 | New Hampshire Motor Speedway - NHMS (Roval CCW) | Race | 05 May, 2025 | 07 May, 2025 | — | ||||
| 1:32.4 | Summit Point Motorsports Park (Jefferson Extended Circuit CCW) | Race | 21 May, 2025 | 22 May, 2025 | +4.43s | -5.13% | |||
| 2:22.9 | Daytona International Speedway | Race | 23 Jun, 2025 | 25 Jun, 2025 | +7.31s | -5.44% | |||
| 1:30.9 | Toronto Motorsports Park (CW) | Race | 26 Apr, 2025 | 08 May, 2025 | +4.74s | -5.59% | |||
| 2:27.0 | Watkins Glen International (Full Circuit w/ Loop) | Race | 02 May, 2017 | 18 Jan, 2026 | +8.32s | -6.01% | |||
| 1:34.9 | Summit Point Motorsports Park (Main) | Race | 20 May, 2025 | 22 May, 2025 | +5.57s | -6.28% | |||
| 1:46.7 | Canadian Tire Motorsport Park-Mosport (Grand Prix Circuit) | Race | 07 Oct, 2025 | 10 Oct, 2025 | +6.57s | -6.54% | |||
| 2:26.0 | Virginia International Raceway - VIR (Full Course) | Race | 05 Apr, 2025 | 22 May, 2025 | +9.43s | -6.87% | |||
| 2:54.2 | Circuit of the Americas - COTA | Race | 08 Jun, 2025 | 11 Oct, 2025 | +15.29s | -9.35% | |||
| 2:24.8 | Shannonville Motorsport Park (Long CW) | Race | 01 Jun, 2025 | 06 Jun, 2025 | +14.74s | -10.86% |
Top Modified Spec Miata NA8
| Year | Driver Name | Mod | Horsepower | Tire | Tire Size | Vs Predict |
|---|---|---|---|---|---|---|
| 1995 | Adam Smalley | Race | — | 40 Proxes RR | — | +1.69s |
| 1995 | eshs91 | Race | — | — | — | +2.29s |
| 1994 | TouchStone | Race | — | — | — | +3.52s |
| 1994 (w/ProxesRR) | David Wittmer | Race | 128 | 40 Proxes RR | 205/50/15 | +4.22s |
| 1996 (w/Proxes RR) | No Money Motorsports - Jim | Race | — | 40 Proxes RR | 225/45/15 | +5.33s |
| 1995 (Monty) | bellwilliam | Race | — | 100 NT01 | 235/40/17 | +5.86s |
| 1995 | CFG Racing | Race | — | 40 Proxes RR | — | +6.36s |
| 1997 (NickHarwood/Race) | Nick Harwood | Race | — | — | — | +6.98s |
| 1995 (JedP/SM7) | Jed Prentice | Race | — | 40 R7 | 205/50/15 | +7.14s |
| 1996 (boltpwn/ToyoRR) | boltpwn | Race | — | 40 Proxes RR | 205/50/15 | +7.33s |