Drivetrain› Manual Transmissions and Components
MFactory
4.50 Ratio Final Drive Gear Set
SKU: MF-TRS-02D45
Professional / shop required
Description
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.
Fitment
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | MFactory |
| Part Number | MF-TRS-02D45 |
| Category | Drivetrain |
Buy with Confidence
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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