AMW 840 Demon

The 6.2L HEMI® with a 2.7L supercharger unleashes 840 hp and 770 lb-ft of torque, propelling from 0–60 mph in just 3.4 seconds. Its cast iron block, forged crankshaft, and aluminum heads ensure unmatched strength with pump-gas reliability at 9.5:1 compression. Paired with the heavy-duty Mopar® TrackHawk 8HP95 transmission, it delivers seamless high-performance power. This package is backed by a 3-year/58,000 km parts warranty and 1-year labor coverage with certified installation.

American Builds Rating System

Build Type       Big Lapper

Towing

40%

Looks

60%

Interior

60%

Driveline / Performance

60%

Off Road Capability

60%

Modification Ability

90%

Towing Class

NILLightHeavy

Build Type       Big Lapper

Towing

60%

Looks

100%

Interior

60%

Driveline / Performance

100%

Off Road Capability

90%

Modification Ability

39%

Towing Class

NILLightHeavy

Compatible Models: JL, JT

Install time: 65 hours

All conversions include a 3-year/58,000km on engine-conversion parts and 1 yr warranty on labor by approved licensed repair service centers when we install the HEMI® Conversion Package.

  • 6.2L/376 cubic-inch displacement
  • 2.7L Supercharger 
  • 840 horsepower
  • 770 lb-ft of torque
  • 3.4s from 0-60mph
  • Cast iron block with 4-bolt main caps
  • Aluminum cylinder heads
  • Forged crankshaft
  • Powdered metal rods with floating pins and forged aluminum pistons
  • 9.5:1 compression ratio allows for pump gas use
  • 4.090-inch bore and 3.724-inch stroke
  • Hydraulic roller camshaft
  • Eight-speed heavy-duty Mopar® TrackHawk 8HP95 automatic transmission with fluid supply line kit, 6061 billet heater delete and 185° F thermostat

Connect

Have questions or ready to start your custom build? Our team is here to help with expert advice and tailored solutions.

Let’s Build Something Together

Contact

Send Us a Message

Scroll to Top

Send Us a Message