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Step 1: Engine and Transmission Mounts

  • Add V8 Power & Torque with a Gen III Hemi Engine in Your Jeep Wrangler YJ Using This Engine Swap System
  • Recommended Engine is 2003-2008 5.7L Hemi Truck Engine w/ 545RFE Transmission & NP231J Transfer Case
  • Reuses Factory Skid Plate / Transmission Crossmember
Shop Engine and Transmission Mounts

Step 2: Exhaust System

  • 304 Stainless Steel Headers, Y-Pipe, and Exhaust System
  • Headers have 1-7/8" Primary Tubes w/ 2-1/2" Collectors
  • Y-Pipe Connects to Headers w/ V-Band Clamps - 2-1/2" Inlets & 3" Outlet
  • 3" Exhaust is High-Tuck Design to Clear Any Obstacles when Off-Road & Enough Flow to Handle Gen III Hemi Engine
Shop Exhaust Systems

Step 3: Accessory Drive

  • Mid-Mount Accessory Drive Systems Pull the Accessories in Tight for Extra Clearance & Reduce Power Steering Pressure to Avoid Damage to the Steering Box
  • Factory Car Accessory Drive Systems Can be Modified with Alternator Relocation Kits (for extra Clearance) and Power Steering Kits to Reduce Power Steering Pressure (to Avoid Damage to Steering Box)
  • Fits Gen III Hemi 5.7L, 6.1L, and 6.4L Engines
Shop Mopar Gen III Hemi

Step 4: Terminator X and X Max

  • Plug & Play Gen III Hemi Engine Transmission Control
  • Works with Holley Accessories - Analog Gauge, Shift Light & Pro Dash
  • EV1 or EV6 Injector Drivers
  • 3.5" Touch Screen Handheld w/ Internal Data Logging & Calibration Wizard
  • Free EFI Tuning Software
  • Chrysler 46RE Automatic Transmission Control - With Terminator X Max & Optional Transmission Harness
Shop Terminator X and X Max GEN III HEMI Kits

Step 5: Universal Parts for Gen III Hemi Engines & Jeep Wrangler YJ

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  • Holley Kits
  • Hooker BlackHeart
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  • Engine & Transmission Mount Kit
  • Engine Mount Insert
  • Engine Mounts
  • Exhaust System
  • Exhaust Systems / Kits
  • Headers
  • Transmission Mount
  • Y-Pipe
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    1987-1995 Jeep Wrangler YJ Gen III Hemi Swap System

    Add V8 Power and Torque to your 1987-1995 Jeep Wrangler YJ. The Holley BlackHeart Swap System has all the components and kits that are designed to work together for a Trouble Free Engine Swap (i.e. engine mounts, headers, exhaust system, accessory drive system, and engine management system).