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1968-1972 Pontiac Lemans - LS Swap

Like all of GM's other A-Body vehicles, the Lemans got a fresh makeover in 1968 that carried through 1972. Along the way, its 350 cubic inch engine was bumped up to 330 hp while its 400 and 455 cubic inch siblings became optional powerplants even without the GTO nameplate. In addition to those powerplants, you can now drop in a Gen III/IV small block with our LS swap systems.

Step 1: Engine and Transmission Mounts

  • Choose from Engine Mounts that Move the Engine Slightly Forward, or Standard Mounts w/ the Bellhousing in the Same Location as the Standard Small Block
  • The Forward Mounts Are Best for Late Model Transmissions Since this Minimized Modifications to the Transmission Tunnel
  • The Standard Mounts are Best for Classic Transmissions Since the Driveshaft Can Remain Stock & They Fit Fine inside the Transmission Tunnel
  • These Mounts Fit all GM LS Engines in the 1968-1972 GM A-Body
  • Compatible with Swap Headers, Exhaust Systems, and Swap Oil Pans
  • Transmission Crossmember Works with the Following Transmissions: T56, T56 Magnum, 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, TH400, and 200R4
  • Optional Spacers are Required with Some of the Transmissions
Shop Mounts and Crossmembers

Step 2: Oil Pans

  • Factory oil pans don't fit or they hang too low on engine swaps
  • Engine 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, carbon black ceramic finish, or fabricated sheetmetal depending on the application
  • Complete kit with sump baffle, OE style pickup, drain plug, oil filter stud, and oil passage cover
Shop Engine Swap Oil Pans

Step 3: Headers and Exhaust

  • Choose from Mid-Length Headers, Long-Tube Headers, or Exhaust Manifolds
  • Headers are Available in Stainless Steel or Mild Steel Construction
  • Choose from Natural Stainless or Cast Iron, Ceramic Coated, or Painted Finishes
  • 1-3/4" or 1-7/8" Primary Tube Diameter
  • Choose from 2-1/2" or 3" Dual Exhaust Systems
  • Systems for 2-Door, or Wagon/El Camino/4-Door Vehicles
  • 304 Stainless Steel Construction
Shop Exhaust

Step 4: Fuel Tanks

  • Eliminate Rust & Dirt with a New Fuel Tank
  • Factory Style Fuel Tanks with In-Tank EFI Fuel Module
  • EFI Fuel Pump Modules are Also Available Separately - Fits Inside Stock Tank
Shop Fuel Tanks

Step 5: Radiators

  • 100% TIG welded (brazed) seams
  • Billet Aluminum Filler Neck and OEM style Brass Petcock
  • Polished top and tanks for custom show appearance
Shop GM LS Engine Swap Radiators

Step 6: 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 LS and LT Accessory Drives

Step 7: 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

Step 8: Universal LS Swap Parts

  • Find Your Parts
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