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MFactory Final Drive Set - B-series VTEC (B18C Integra GSR / Type R)

MFactory Final Drive Set - B-series VTEC (B18C Integra GSR / Type R)


Regular price $629.95
Sale price $629.95
Final Drive Ratio
This is an estimated ship date once your order is placed from JHPUSA. Ship dates do not include weekends and holidays.

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!


  • 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 B16B/B18C Fitment: 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! This kit is specifically made for the JDM B16B/B18C, US B18C1/B18C5 transmissions -- has the larger sized ring gear that accomodates an OEM Type-R LSD or factory B18C open differentials as well as aftermarker LSD's for the B16B/B18C transmissions. Will not fit B16A, B17A, or B18A/B transmissions.

Final Drive Ratio Options
  • 3.471
  • 4.71
  • 4.923
  • 5.167


    We realize that returns and exchanges are a part of the purchasing process and we do our best to make it as easy as possible. If you are not 100% satisfied with your purchase, you can return your order to JHPUSA within 14 DAYS from the invoice date.

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