SKU: 18447446962

MFactory 3.90 Final Drive Mazda MX-5 NA NB 94-05 - Requires 1.8 Carrier

Sale price$295.49 Regular price$328.32
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

MFactory 3.90 Final Drive Mazda MX-5 NA NB 94-05 - Requires 1.8 CarrierAchieve the ultimate in acceleration with the MFactory Final Drive Gears. By changing your final gear ratios, you can experience a dramatic increase in acceleration, giving you on average, a 10 15% increase in torque throughout the entire rev range over the OEM Final Drive. Diamond Cut to exacting tolerances from Forged High Nickel Chromium Molybdenum Steel Perfect fitment & finish ensures hassle free installation & maintenance, each and every time

Achieve the ultimate in acceleration with the MFactory Final Drive Gears. By changing your final gear ratios, you can experience a dramatic increase in acceleration, giving you on average, a 10-15% increase in torque throughout the entire rev-range over the OEM Final Drive.

Diamond Cut to exacting tolerances from Forged High-Nickel-Chromium-Molybdenum Steel
Perfect fitment & finish ensures hassle-free installation & maintenance, each and every time

Designed using leading-edge Solidworks 3D CAD & Cosmos FEA software
Advanced Gear Geometry minimizes parasitic drivetrain losses. Race transmissions built with MFactory components transfer, on average, 1-2% more power to the ground over our competitors!

Specifications

  • Made from imported Japanese SAE 8620 and 4320 Steel
  • Forged, Double Tempered and Super Sub-Zero treated for unsurpassed toughness
  • Advanced Shot Peening technology increases surface hardness
  • Advanced gear geometry designed using industry-leading software puts more power to the ground

Fitment Notes Honda B16A2 Fitments: Will not fit models equipped with Factory LSD

Honda B16A2/16B/18C Fitments: Offering a revised design over our previous generation Final Drive Gears. Forged from stronger steel with a 50% larger tooth profile yet almost 1kg lighter!

Honda Cable Fitments: Will not fit models equipped with Factory LSD. 92-93 YS1 transmissions should use B16A2 fitments

Honda '98 Spec Fitments: Designed for the '98 Spec Integra Type-R with Factory 4.785 Final Drive

Honda H22A Fitments: Will not fit ATTS-equipped transmissions. Is also suitable for Euro-R/Accord Type-R

For Ford Focus MTX-75: Designed for 2002+ Transmission Only. Will only fit applications using the 1pc Pinion (Removable 3rd & 4th Gear)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18447446962

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Bozeman, US
★★★★★ 5
Works as advertised
Excellent product
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Reviewed in the United States on May 25, 2026
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mark sampson
Whiting, US
★★★★★ 5
Cleans with no streaking.
I made my own cleaner and these cloths work great! Im so happy that I got these, no streaks, the glass is clear and cleans them faster. Worth the money.
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Reviewed in the United States on December 18, 2025
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Nickelback
Battle Creek, US
★★★★★ 5
Secret to Great Auto Glass
Awesome product. I struggled with getting clean streak free glass on my truck. Thought it was the cleaners (multiple). It was the cleaning towel. This one rocks! I've bought 4.
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Reviewed in the United States on April 3, 2026
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MDarlin
Dallas, US
★★★★★ 5
Soft and durable
I use all the time to clean all my car interior surface
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Reviewed in the United States on May 26, 2026
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Amazon Customer
Alexandria, US
★★★★★ 4
Work as described
Worked great on finger prints
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Reviewed in the United States on May 22, 2026

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