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Air and Fuel› Nitrous Oxide Systems and Components
Nitrous Express
Nitrous Express - FUEL LOG. 4 PORT. W/O FITTINGS - 15841
SKU: N004 15841
Moderate — 2–4 hours
Overview
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Part #: 15841
FUEL LOG. 4 PORT. W/O FITTINGS Inlet Quantity: Two Inlet Attachment: Female threads Inlet Size: 12 AN O-Ring Outlet Quantity: Four Outlet Attachment: Female threads Outlet Size: -8 AN O-Ring Gauge Port: No Fuel Pressure Gauge Included: No Fuel Distribution Block Material: Billet aluminum Fuel Distribution Block Finish: Black anodized Mounting Holes: 2 Mounting Hole Size: 5/16 countersunk for allen head mounting bolts
FUEL LOG. 4 PORT. W/O FITTINGS
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Engine surges or hesitates under hard acceleration
- Lean air-fuel ratio at high RPM
- Fuel pressure drops during nitrous activation
- Inconsistent fuel delivery to multiple injectors
- Need for additional fuel outlets for aftermarket injectors
Relevant Conversations
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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
| Brand | Nitrous Express |
| Part Number | N004 15841 |
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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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