AMW 505
Unlock extreme performance with the HEMI® 6.4L engine, delivering 505 horsepower and 475 lb-ft of torque for a 0–60mph time in just 4.5 seconds. Built with a cast iron block, forged crankshaft, and aluminum heads, it’s engineered for strength and durability. Compatible with TJ, LJ, JK, JL, and JT models, the package comes with a 3-year/58,000km parts warranty and 1-year labor coverage when installed by certified centers.
American Builds Rating System
Build Type Big Lapper
Towing
40%
Looks
60%
Interior
60%
Driveline / Performance
60%
Off Road Capability
60%
Modification Ability
29%
Towing Class
NILLightHeavy
Build Type Big Lapper
Towing
50%
Looks
90%
Interior
60%
Driveline / Performance
85%
Off Road Capability
80%
Modification Ability
30%
Towing Class
NILLightHeavy
Compatible Models: TJ, LJ, JK, JL, JT
- 6.4L/392 cubic-inch displacement
- 505 horsepower / 475 lb-ft of torque
- 4.5s from 0-60mph
- Cast iron block with 4-bolt main caps
- Aluminum cylinder heads / Forged crankshaft
- Powdered metal rods with floating pins and Hypereutectic aluminum pistons
- 10.9:1 compression ratio allows for pump gas use
- 4.090-inch bore and 3.724-inch stroke
- Hydraulic roller camshaft duty
Transmission Options:
- 8-speed heavy-duty Mopar® automatic with fluid supply line kit, 6061 billet heater delete and 185° F thermostat
- 5 Speed automatic transmission (545RFE) 2007-2011
- New bell housing and torque converter 2012-2018
Install time:
- Varies from 45 hours to 65 hours depending on model of vehicle and transmission options.
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. Quantity
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