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Step 1: 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: 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, or Carbon Black Ceramic Finish
  • Complete Oil Pan Kit w/ Sump Baffle, OE Style Pickup, Drain Plug, Oil Filter Stud, and Oil Passage Cover
Shop Oil Pans

Step 3: 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
Shop Headers and Exhaust Manifolds

Step 4: 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)
Shop Exhaust Systems

Step 5: 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
Shop Fuel Tanks

Step 6: 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
Shop Radiators

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 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
Narrow Results
Brand
  • Flowtech
  • Frostbite
  • Holley
  • Holley Kits
  • Holley Sniper
  • Hooker
  • Hooker BlackHeart
  • Sniper
  • White Box
Product Type
  • Adapter Kit
  • Crossmember
  • Engine Mount Insert
  • Engine Mounts
  • Engine Mounts and Crossmembers
  • Exhaust System
  • Fuel Pump Module
  • Fuel Tank
  • Headers
  • Manifold
  • Oil Pan Kit
  • Radiator + Fan/Shroud Pkg.
  • Radiators
  • Swap Kits
  • Transmission Mount
  • Virtual Kit
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     X  Holleydays 2020 Free Shipping
     X  Holleydays 2020 Free Shipping