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FAST Harness FAST Power Adder Kit

FAST · New

FAST Harness FAST Power Adder Kit

MPN 301400 · Store SKU fst301400

$47.95
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/8/2026, 11:12:34 AM UTC. Adding a part does not reserve it.

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Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

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Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

Connect multiple Nitrous solenoids and take full control over your power adders with the XFI ECU using this kit. These adapters allow a common ECU and main harness to adapt to a variety of power adders. FAST Power Adder Wiring Harness for Nitrous and Power Adder Enable/Hold

Manufacturer fitment & guides

Check 301400 against the manufacturer’s application information below.

Part-specific notes

  • Not CARB approved. Destination and intended-use restrictions must be checked before sale.
  • California Proposition 65: Y

Manufacturer documents

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