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Drivetrain› Manual Transmissions and Components

MFactory

4.50 Ratio Final Drive Gear Set

$699.95 $678.95 Save $21.00

SKU: MF-TRS-02D45

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Overview

The MFactory Final Drive Gear Set is a performance upgrade for 1992-2000 Honda Civic vehicles equipped with D15 or D16 SOHC engines.

Constructed from imported Japanese SAE 8620 and 4320 steel, this gear set is designed for use in S20 and S40 transmission configurations. It provides a 4.50 ratio to improve acceleration and power delivery.
Show original supplier description
The MFactory Final Drive Gear Set is a high-performance replacement designed to enhance the drivetrain responsiveness of 1992-2000 Honda Civic models featuring D15 or D16 SOHC engines. By adjusting the final drive ratio to 4.50, this set allows for more efficient power transfer and improved acceleration compared to factory gearing. The materials are sourced from imported Japanese SAE 8620 and 4320 steel, which are industry-standard alloys chosen for their excellent fatigue resistance and surface hardness. This gear set is specifically compatible with Honda S20 and S40 transmission types used in D-series applications. As a critical drivetrain component, professional installation is recommended to ensure correct tolerances and proper mesh during operation within the transmission housing.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandMFactory
Part NumberMF-TRS-02D45
CategoryDrivetrain
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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