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Bruiser Conversions Stage-1 Complete 450HP LS Engine Installation Kit, 12-18 Jeep JK by Bruiser Conversions

Part no: BRU-2012-450A

Partial financing (up to $17500) is available with Affirm.
Call 1-877-553-5337 to inquire about financing.
$22,500.00 + Shipping Surcharge: $300.00
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Product Details


Bruiser Conversions fully integrated LS3 engine conversion system for the Jeep JK/JKU Wrangler maintains the original equipment manufacturers (OEM) functionality of all vehicle systems that were supplied with your vehicle. All systems that were functional prior to the conversion process will be functional after the conversion has been completed, this includes: instrument cluster, indicators, gauges, powertrain control systems, cruise control, hill descent mode, tip start, and tap shift. Our system retains the factory PCM and the Chrysler OBD II port. Bruiser Conversions provides the only fully integrated LS3 engine conversion for the JK/JKU Wrangler.


  • Horsepower: 450 HP @ 5800 RPM
  • Torque: 450 FT-LB @ 6000 RPM
  • Displacement: 6.2L
  • Fuel Type: Gasoline
  • Octane (Minimum): 91
  • Transmission: NAG-1/WA580

Product Details:

  • Complete Do-It-Yourself JK LS Engine Installation Kit
  • New GM Performance LS3 crate engine
  • Performance tuned PCM
  • Performance tuned TCM
  • Engine to NAG-1 Transmission Adapter
  • Self-aligning Engine Mount Brackets
  • Wiring Harness
  • Stainless Steel Exhaust Y-pipe
  • Cold Air Intake with K&N Filter
  • A/C Hoses
  • Radiator & Heater Hoses
  • Battery Tray & TIPM Relocation Bracket
  • Detailed Instruction Manual

Parts Included:

  • (1) Bruiser Conversions Stage-1 Complete JK LS Engine Installation Kit, 450 HP
For California residents: Proposition 65 Warning

Vehicle Fitment

2012-2018JeepWrangler JK Unlimited
2012-2018JeepWrangler JK

Additional Information

BrandBruiser Conversions
SKU Aliases2012-450A

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