Step 1: Swap Engine & Transmission Mounts

  • Get that GM LS Engine Mounted in the 1978-1988 GM G-Body
  • Transmission Options: TH400, 200R4, 4L60E, 4L65E, 4L70E, 4L75E, 4L80E, 4L85E, T56, and T56 Magnum
  • Choose The Crossmember Adapter to Match Your Desired Transmission (T56 & T56 Magnum do not need an Adapter)
  • Vehicles That Didn't Come from the Factory w/ the 200R4 Transmisison Need Adapter 12647HKR
Shop Engine and Transmission Mounts

Step 2: Swap Oil Pans

  • The Factory LS Oil Pans Don't Fit or Hang Too Low on an Engine Swap
  • LS Retro-Fit Oil Pans Provide Maximum Clearance to the Chassis & Ground
  • OE (Original Equipment) Style Fitment for Durability, Strength, and Proper Sealing
  • Choose From Natural Cast Finish, Carbon Black Ceramic Coating, or a Polished Aluminum Finish
  • Complete Oil Pan Kit w/ Sump Baffle, OE Style Pickup, Drain Plug, Oil Filter Stud, and Oil Passage Cover
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Step 3: Swap Headers

  • Swap Headers Work Together with the Motor Mounts & Crossmembers for an Easy Engine Swap
  • Choose from 304 Stainless Steel, Mild Steel, or Cast Iron Headers or Exhaust Manifolds
  • Choose from Various Primary Tube Diameters, and Collector Sizes
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Step 4: Swap Exhaust Systems

  • Header Back Direct Fit Exhaust - Works with Long Tube Headers
  • Choose from 2.5" or 3.0" Dual Exhaust
  • Adapters Available for Mid-Length and Cast Manifolds (Connects to Exhaust System)
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Step 5: Accessory Drive

  • Choose from High Mount, or Low Mount Accessory Drive Systems
  • Choose from Natural Aluminum, Black, or Polished Finish
  • Bracket Kits - Allow Reuse of Factory Components
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Step 6: Fuel Tanks

  • Factory Style Fuel Tanks with EFI Fuel Pump Module (Inside Tank)
  • Eliminate Rust & Dirt with a New Fuel Tank
  • EFI Fuel Pump Module - Also Available Separately - Fits Inside Stock Tank
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Step 7: Swap Radiator

  • Dual Pass GM LS Swap Radiator
  • Screw-In Inlet & Outlet - Allows Changes to Match Radiator Hose Sizes
  • Aluminum Construction w/ Cross Flow Design
  • Direct Fit to the GM G-Body
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