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1973-1974 Chevrolet K10 - LS Swap

The 3rd Generation C10 was a clean-sheet redesign that lasted GM 15 years. Like its predecessor, the Square-Body C10 featured optional small and big-block V8s that make this one of the most versatile bases for your build. Whether you're autocrossing, drag racing, or just cruising, the C10 can get it done. Whether you want to perk up that old small- or big-block or retrofit a late-model GM LS or LT engine, Holley has the parts to get it done.

Step 1: Engine and Transmission Mounts

  • Engine Mounts Fit 1973-1987 K10/K1500 Four-Wheel Drive Trucks
  • Use with Factory Style Engine Isolators
  • Compatible with Factory LS Truck Oil Pan - Or Holley 302-3 & 302-3 LS Swap Pans
  • Dual Engine Position Options
  • The Factory Front Crossmember May Require Notching with the Forward Engine Mounting Position
  • Use these Mounting Brackets with the Factory Transmission Cross-Member
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 Manifolds

  • Headers are constructed of 304 stainless steel
  • Choose from – BH13325 (LS swap with 1-3/4-inch primary tubes), or BH13326 (LS swap with 1-7/8-inch primary tubes)
  • 100% hand-welded construction for strength, longevity, and great looks
  • Manifolds are Cast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistance
  • Available with 2.25 or 2.5 in. collectors
  • Exhaust manifolds are available in several different finishes and coatings
Shop Exhaust

Step 4: 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 5: 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 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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