MOPAR OEM 6.4L 392ci LONG MOTOR 485HP #68293008AB

Mopar #68293008AB – 6.4L HEMI® 485hp Long Motor

Sunset Speed Approved | Genuine OEM Replacement

The Mopar #68293008AB 6.4L HEMI® Long Motor is a brand-new genuine OEM factory long block, supplied and supported by Sunset Speed. This engine is the ideal direct replacement for failed or worn 6.4L HEMI engines, delivering factory reliability, drivability, and compatibility.

Built to original Mopar specifications, this long motor provides a zero-kilometre foundation, suitable for stock replacements or as a strong base for future performance upgrades.

What’s Included

• Genuine OEM Mopar long motor assembly
• Brand new BGE engine block with factory rotating assembly
• Cylinder heads installed
• Valvetrain fully assembled

Long motor only. External components are not included.

What’s Not Included

• Intake manifold and throttle body
• Exhaust manifolds / headers
• Fuel system components
• Sensors, wiring loom, and ECU
• Oil pan and front accessory drive

Existing components are typically reused, or Sunset Speed can supply upgraded options if required.

Engine Specifications

• Engine: 6.4L (392) HEMI® V8
• Condition: Brand new OEM
• Assembly: Factory assembled
• Calibration: Compatible with stock ECU
• Application: Road / performance street use

Common Vehicle Applications

• Dodge Challenger SRT / SRT 392
• Dodge Charger SRT / SRT 392
• Chrysler 300 SRT
• Jeep Grand Cherokee SRT

Fitment varies by model year and configuration.
Fitment confirmation is required prior to purchase.

Why Buy From Sunset Speed

• Genuine Mopar supply – no rebuilt or remanufactured engines
• Professional installation available at our Port Kennedy workshop
• Over 20 years of high-performance engine experience
• Optional upgrade pathways into Sunset Speed engine tiers
• Local Australian support and after-sales service

We don’t just sell engines — we install them, support them, and stand behind them.

Installation & Upgrade Options

• Professional installation strongly recommended
• Optional upgrades while engine is out of the vehicle:
  • Performance camshaft packages
  • Oil system upgrades
  • Induction and exhaust solutions
  • Custom tuning support

Ask us about future-proofing your engine before installation.

Shipping & Important Information

• Engine freight shipping required
• Workshop installation packages available – enquire for pricing

Sunset Speed – Packages That Just Work
Port Kennedy, Western Australia
OEM Replacement | Performance Upgrades | Engine Builds