Step 1: Engine & Transmission Mounts

  • 1994-1995 Mustangs Use 71221013HKR Mounts (with Clamshell style mounts) and Either Crossmember (Choose based on Desired Transmission)
  • 1996-2004 Mustangs Use 71221011HKR Mounts and Either Crossmember (Choose based on Desired Transmission)
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
  • LS Swap oil 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
  • 1994-1995 Mustangs Use Oil Pan 302-3
  • 1996-2004 Mustangs Use Oil Pans 302-1, 302-2, or 302-3
Shop Oil Pans

Step 3: Exhaust Manifolds

  • Choose from Exhaust Manifolds with Natural Cast Iron or Ceramic Finish
  • Available with 2-1/4" or 2-1/2" Collectors
Shop Headers and Exhaust Manifolds

Step 4: Exhaust System

  • Choose from 304 or 409 Stainless Steel Material
  • Choose From 2-1/2" or 3" Dual Exhaust
  • 3" Exhaust Available w/ Turn-Dows or Rear Exit
Shop Exhaust Systems

Step 5: Fuel System

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

Step 6: 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 7: Accessory Drives

  • 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 8: Terminator X or 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
  • Holley
  • Holley EFI
  • Holley Kits
  • Holley Sniper
  • Hooker BlackHeart
  • White Box
Product Type
  • EFI Part
  • Engine & Transmission Mount Kit
  • Engine Mount Insert
  • Engine Mounts
  • Exhaust System
  • Fuel Pump Module
  • Manifold
  • Oil Pan Kit
  • Transmission Crossmember
  • Transmission Mount
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    1994-04 Ford Mustang LS Swap System

    LS Swap Components for 1994-04 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.