Air and Fuel› Fuel Injection Systems and Components - Electronic
Big Gun
Big Gun 08-09 Honda TRX 700XX Power Box
SKU: B0AC 40-R58
Easy — 1–2 hours
Description
Part #: 40-R58
The Big Guns TFI (Throttle and Fuel Injection) Power Box delivers an effortless performance boost by optimizing throttle mapping and fuel delivery. Simple to install and tuned for broad compatibility, this plug-and-play module sharpens throttle response, smooths power delivery, and enhances mid-range torque, all without sacrificing reliability. Designed with durability in mind, the TFI Power Box features rugged construction and weather-resistant sealing to withstand tough conditions.
MIA's Description
Fitment
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Available on iOS & Android
Specifications
| Brand | Big Gun |
| Part Number | B0AC 40-R58 |
Videos
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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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