4L60E 4L65E 4L70E 300mm LS Night Stalker Series Stock Replacement No Stall Added Lock Up GM Torque Converter Part Number 49450

NIGHT STALKER Series Torque Converter | GM Chevy 4L60E, 4L65E, 4L70E LS Engines

Achieve maximum reliability and performance with our NIGHT STALKER Series Torque Converter. Specifically engineered for LS-type engines matched to 4L60E, 4L65E, and 4L70E transmissions (1998 & Up), this converter is the perfect marriage of factory integrity and modern, extreme-duty construction. Built with a high-quality 300mm core diameter and meticulously assembled in the USA, it provides a factory stock stall range with superior durability.

If your application requires enhanced performance or increased power output, we recommend considering our specialized "Street Bandit Series" for moderate upgrades or the robust "Out Law Series" when accommodating power adders like Nitrous Oxide, Turbochargers, or Superchargers.

Technical Specifications

• Series: NIGHT STALKER Series
• Application Fitment: GM Chevy 4L60E, 4L65E, 4L70E (LS Type Engines)
• Core Diameter: 300mm (Factory 12 inch Core)
• Input Shaft: 30 Spline Input Shaft
• Stall Range: Stock Stall / No Added Stall
• Bolt Circle Diameter: 11.063 inches (Factory Bolt Circle)
• Crank Pilot: Factory 1.703 inch
• Impeller Hub: Hardened Chrome Moly
• Bearing System: Torrington Style Bearings

Advanced Build & Quality Features

• Modified Heavy Duty Stator construction
• Extreme Duty Lock Up Clutch
• Leak & Pressure Tested for guaranteed installation
• Digitally Balanced Components
• Quality Inspections Performed at Every Step
• Construction Detail: 4 Corner tac Welded Fins or Furnace Brazed
• Bolt Size: 10MM x 1.5 Pitch Class 10
• Integrity Detail: Anti-Balloon Plates included

Installation Guidance

• For optimal performance, utilize Type F transmission fluid.
• Always supplement with a quality transmission cooler for extreme duty cycles.
• Use Blue Loctite on threads during assembly.

Important Considerations

• Stall ranges are entirely dependent on the specific vehicle and driveline setup; contact us for detailed installation advice.

We are dedicated to building high-performance and racing converters since 1970. If you have any installation questions or require further information, please contact our specialists at 888-267-7464.