Scratch & dent — FAST Chrysler 5.7L/6.1L Hemi XFI Main Harness

Photos show this specific offer. Included parts and completeness require confirmation.

FAST · Scratch & dent

Scratch & dent — FAST Chrysler 5.7L/6.1L Hemi XFI Main Harness

Name: Scratch & dent — FAST Chrysler 5.7L/6.1L Hemi XFI Main Harness
Brand: FAST
SKU: fst301104

MPN 301104 · Store SKU fst301104

Last listed price $70.27

Specific scratch-and-dent offer — confirm included parts before payment.

Listed 11/7/2026, 1:41:56 AM UTC. Current price and availability confirmed before payment.

CONFIRM THIS OFFERUnique scratch-and-dent offer. Availability is not confirmed.

Offer snapshot checked 11/7/2026, 1:41:56 AM UTC. Adding a part does not reserve it.

FINAL SALE — NO RETURNS OR REFUNDS

Clearance and scratch-and-dent parts are final sale. No returns or refunds.

Shipping & returns ↗This policy does not limit rights required by law.

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.

Condition of this specific offer

Missing set of wires.

Actual condition photos are shown.

Product details

CONDITION OF THIS SPECIFIC OFFER: Missing set of wires. FAST offers several main harness options to aC-Commodate most customers' needs. The XFI Main Harness is responsible for connecting your XFI ECU to sensors as well as digital dashes, EGT modules, and various optional accessories. The Main Harness also handles communication between the ECU and ignition devices. Main harnesses are available in TPI, LT-1, LS-1 through 9 (including truck/suv designs), Modern Hemi, Carburetor Conversions and even Rear-Engine Dragsters and Boats. FAST also offers Main Harnesses that come terminated on the sensor side but non-terminated on the ECU side to allow for a truely custom fit. All terminals, seals and connectors are available individually, so don't hesitate to try your hand at crafting your own custom harness from start to finish. XFI Main Harness designed for integration with engines whose sensors feature Mopar style sensors. XFI Main Harness for Chrysler 5.7, 6.1 and 6.4L HEMI

Manufacturer fitment & guides

Check 301104 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
Specific scratch-and-dent offer. Availability, current offer price, actual condition photos, included components and return terms must be confirmed with JuiceBuilt before sale.

Manufacturer documents

Two green Ford Mustangs with their hoods open in a track paddock

JUICEBUILT PERFORMANCE PARTS

THE NEXT PART
OF YOUR BUILD.

From the fuel system to the finish line. Find the hardware for your next move, with a real performance shop behind it.

Find your next part ↗Talk about your build ↗

BUILT IN THE SHOP.PROVEN AT THE TRACK.

01 / PERFORMANCE

MORE PARTS. LESS SHIPPING.

Free shipping on $100+ orders.

On eligible parts orders. Oversized and freight items excluded.

See shipping details ↗

See availability before you buildClear supplier stock and dealer-order labels.

A real shop behind your partsGet help with the right combination for your car.

THE PARTS BEHIND THE POWER

Build with the right brands.

Explore featured brands. Swipe or use the arrows.

YOUR CAR. YOUR NEXT MOVE.

Shop your platform.

Find parts for your chassis, then check the listed year, engine and trim.

Choose your platform

Shop by parts section.

Find the hardware for the next part of your build.

YOUR BUILD STARTS HERE

Find your next upgrade.

JuiceBuilt kits & merchandise ↗

BEFORE YOU ORDER

A few things to know.

How do I order these parts?

Add your exact parts and delivery details, then continue to payment. Eligible orders show the final parts, shipping and tax total and a PayPal button here after automatic checks. Freight, oversized, custom and uncertain items go to JuiceBuilt for a quote. You are charged only after approving PayPal; supplier orders are submitted separately after verified payment.

Does a part number guarantee vehicle fitment?

No. Product descriptions are supplied by the manufacturer. Check the manufacturer application information for your exact vehicle, engine and supporting modifications. Online checkout requires your exact-part fitment acknowledgment. Contact JuiceBuilt before ordering if you need fitment help.

Is the stock shown reserved for me?

No. Availability is a dated supplier snapshot. Inventory can change, and adding a part to your build does not reserve it. Availability and delivery are checked again before payment. A supplier order is confirmed separately after payment.

What about shipping?

Eligible standard-size parts orders with a parts subtotal of $100 or more receive free standard shipping. The minimum applies after coupons and other discounts.

The same $100 minimum applies to all brands, including Aerospace Components.

Oversized and freight items are excluded from free shipping at every subtotal, including carbon doors, hoods, trunks and similar large panels. Their shipping charge is quoted separately before payment.

Shipping for orders below $100 is calculated before payment.

Online checkout is initially available for US delivery addresses. For other countries, contact JuiceBuilt for a manual quote before payment.

Read shipping & returns ↗

What is the return policy?

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

The customer pays return shipping for a change-of-mind return.

Any actual supplier restocking charge is disclosed before purchase.

Clearance and scratch-and-dent parts are final sale. No returns or refunds.

Read the full shipping & returns policy ↗

This policy does not limit rights required by law.