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On 3 Performance Mustang 351W Swap Turbo Kit (86-93) 5.8 351 by On3 Performance


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  • On 3 Performance Mustang 351 Swap Turbo Kit (86-93) 5.8
  • On 3 Performance Mustang 351 Swap Turbo Kit (86-93) 5.8
351
  • 351
  • turbo

Add boost to your Mustang Fox Body with this 86-93 Mustang 351W Swap Turbo Kit by On 3 Performance.

Item #LRS-8793TF351
MPN# 351

Everyday Low Price: $1,649.99

Temporarily out of stock 
This product cannot be sold or shipped to the state of California. More Details


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Benefits

  • Increased Horsepower
  • Correct 351 Piping

Features

  • 78mm Turbo
  • Headers Included
  • Must Use Mass Air
  • Complete Bolt In

What's in the Box

  • See Below

Product Description

351 Swap Turbo Kit
The On 3 Performance Turbo Kit for 1986-1993 Fox Mustang with 5.8L swap features a single 78mm Turbo with intercooler. This kit is capable of 400 to 800 horsepower (with proper supporting modifications)! Headers and crossover tubing are high temp black coated mild steel, while the rest is 304 stainless steel. Boost is controlled by a 44mm Wastegate and pressure relief is handled by a 50mm Blow-off Valve. All needed hoses, lines, couplers, clamps, brackets, and hardware are included.

What's In The Box
  • On3 Performance turbocharger .70ar Coldside, .96ar Hotside, and T-4 flanged journal bearing
  • 3.5”-3" 304 Stainless Steel Downpipe
  • 304 stainless steel dump tube
  • 3” bar and plate intercooler
  • On3 Performance 44mm V-banded wastegate
  • On3 Performance 50mm blowoff valve
  • Oil feed kit fittings – stainless braided feed line
  • Oil drain kit with all fittings
  • Alternator relocation bracket kit
  • 8mm stainless steel V-band clamps
  • Turbo Headers and crossover tubing constructed of mild steel/black rust prevention coating

    Installation Note
  • The y-pipe to connect the downpipe to the catback is not included.
  • Air filter not included.
  • Turbo systems must be installed with free-flowing straight-through mufflers. Stock and chambered mufflers will void the warranty of your turbocharger(s).
  • Wrapping any manifold that On 3 Performance manufactures will void your warranty.

    Fitment Note
    This is designed off of the stock alternator. Using an oversized alternator can result in thermostat housing fitment issues. Please check clearances before install.

    Modification Required
    While this kit is designed to be a bolt on, it is not a direct fit. The alternator will need to be relocated with the included bracket. Some modifications will be required! Such as cutting and clearance to fit the intercooler and tubing, minor dimpling of the tubing to clear chassis components, tapping an oil return in the oil pan, etc. You will need to upgrade your fuel system; a high flow fuel pump and injectors will be required along with a properly calibrated MAF. Custom tuning will be required! 1986-1988 Mustang will require a Mass Air Conversion. All 86-93 5.8s will require an oil Filter Relocation Kit!

    Application
  • Fits 1986-93 Mustang w/ 351 Windsor swap.

    This product is intended for off-road use only, and is not legal for use in emission restrictive states. Off-Road Disclaimer


    Product Component Note

    - On3 no longer includes a manual boost controller. You must provide / source your own. HPS-TBOOST is something we can recommend.
    - On3 no longer includes a power steering cooler line. If you are to retain power steering, custom fabrication will be required.


    Disclaimer
    With the addition of a nitrous, turbo, or supercharger kit; custom tuning will be required for your car to run properly and safe.


    On 3 Performance Warranty & Disclaimers - Click Here



  • California Residents:
    WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov

    Product Videos

    How To Install Fox Body Mustang On3 Performance Single Turbo Kit (1986-1993 5.0L)

    Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!


    Customer Photos (1)


    • 351W Swap Turbo Kit

    Vehicle Applications

    Ford Mustang - 1986 (86) - 1987 (87) - 1988 (88) - 1989 (89) - 1990 (90) - 1991 (91) - 1992 (92) - 1993 (93)


    About This Brand


    On3 Performance
    On3 Performance offers affordable, high-quality turbocharger kits for all latemodel Mustangs. Each single and twin-turbo kit is specifically designed to fit perfectly in your Foxbody, SN95, New Edge, S197, and S550 Mustang. These power adders can boost your 4.6L or 5.0L motor to over 100+ additional horsepower. Featuring a simple bolt on installation, you can get the edge over your competition in one weekend! Shop On3 Performance turbo kits at LMR.com.

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