Step 1: Engine & Transmission Mounts

  • Choose from Mounts Designed for Several Fabricated or Stock K-Members
  • Choose from Crossmembers designed for Several Transmissions
  • Use with Modular Clamshell Style Engine Mounts
Shop Engine and Transmission Mounts

Step 2: Oil Pans

  • The factory LS Oil Pans don't fit or hang too low during an engine swap
  • Holley LS swap pans provide maximum clearance to the chassis and ground
  • OE (original equipment) style fitment for durability, strength, and proper sealing
  • Choose from natural aluminum casting, or carbon black ceramic finish
  • Complete kit w/ sump baffle, OE style pickup, sump plug, oil filter stud, and oil passage cover
Shop Oil Pans

Step 3: Exhaust Manifolds

  • Choose From Exhaust Manifolds with Natural Cast Iron or Ceramic Finish
  • Choose from 2.25 or 2.5" Outlet
Shop Headers and Exhaust Manifolds

Step 4: Exhaust System

  • Cat-Back Exhaust Systems
  • Choose from 304 or 409 Stainless Steel Construction
  • Choose from 2-1/2" or 3" Dual Exhaust
Shop Exhaust Systems

Step 5: Radiator

  • Dual Pass LS Swap Radiator
  • Screw-In Inlet & Outlet - Allows Changes to Match Radiator Hose Sizes
  • Aluminum Construction with Cross Flow Design
  • Direct Fit in Fox Body Mustang
Shop Radiators

Step 6: Fuel System

  • Upgrade the In-Tank Fuel Pump to Handle the Additional Power of the LS Engine
  • Fits Inside Stock Fuel Tank
Shop Fuel Systems

Step 7: Swap Accessories

  • Mount Your Holley ECU Under the Passenger Seat on Your Mustang
  • Choose from Brackets for Dominator, HP, or Terminator X ECU's
Shop Swap Accessories

Step 8: Accessory Drive

  • Choose from High Mount, Low Mount, or Mid Mount Accessory Drive Kits
  • Choose from Natural Aluminum, Black, or Polished Finish
  • Bracket Kits - Allow Reuse of Factory Components (High Mount & Low Mount)
Shop GM LS Accessory Drives

Step 9: Terminator X and X Max

  • Standalone Plug and Play Engine Control for GM LS Engines
  • Terminator X Features Real-Time Fuel Learn, High Impedance Injector Drivers, Integrated 1bar MAP Sensor & 4 Programmable Inputs and Outputs
  • Terminator X Max - also Controls GM Automatic Transmission (4L60/4L65/4L70/4L75/4L80/4L85)
  • Inputs & Outputs Are Ideal for Electric Fans, Boost Control Solenoids, Progressive Nitrous Control & More
Shop Terminator X and X Max LS Kits
  • In Stock
  • Flowtech
  • Frostbite
  • Holley
  • Holley EFI
  • Holley Kits
  • Holley Sniper
  • Hooker BlackHeart
  • Weiand
  • White Box
Product Type
  • EFI Part
  • Engine & Transmission Mount Kit
  • Engine Mount Insert
  • Engine Mounts
  • Exhaust System
  • Fuel Pump Module
  • Manifold
  • Oil Pan Kit
  • Radiator
  • Transmission Crossmember
  • Transmission Mount
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    1979-93 Ford Mustang LS Swap System

    LS Swap Components & Swap Kits for 1979-93 Ford Mustangs. Nothing beats the power of modernizing with a complete LS swap system. From fuel injection, manifolds and fuel pumps all the way to the exhaust system. Holley has engineered these parts to work as a system to deliver the most power and proper fit.