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Portable Acc Performance Boss Hog 4944hd Night Stalker Gm 4l60e Lt Towing Lock Up Torque Converter Kit [5q0aWD1G]

$55.99 $179.99 -69%

ACC Performance designed this Boss Hog 4944HD Night Stalker Towing Lock Up Torque Converter for 1984-1997 GM LT 4L60E transmission applications with a 3 step input shaft. This hand-built 12” converter has a stall speed 200-300 RPM over stock, and can

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ACC Performance designed this Boss Hog 4944HD Night Stalker Towing Lock Up Torque Converter for 1984-1997 GM LT 4L60E transmission applications with a 3 step input shaft. This hand-built 12” converter has a stall speed 200-300 RPM over stock, and can also handle up to 500 horsepower!

All Boss Hog torque converters are welded at the fins, not furnace-brazed, eliminating erosion over time. They include industrial-strength Torrington-type bearings that handle more torque than light-duty needle bearings. Aircraft aluminum washers instead of inferior fiber washers ensure all power transfers directly to the ground.

Boss Hog 4944HD Night Stalker LT Torque Converter Features:

  • Fits 1984-1997 GM LT 4L60E transmission applications with a 3 step input shaft 
  • Stall Speed: 200-300 RPM Over Stock
  • Torque Converter Use: Towing
  • Diameter: 12.00 in.
  • Bolt Circle: 10.750 in.
  • Input Spline Quantity: 30
  • Crank Pilot Diameter: 1.703 in.
  • Mounting Hardware Type: M10 x 1.5 Bolts
  • Mounting Hardware Included: No
  • Balanced: Yes
  • Transmission Cooler Required: Yes
  • Lockup Compatible: Yes
  • Anti-Ballooning Plate: No
  • Quantity: Sold Individually

Note: This converter will also fit 1997-2005 Corvettes, but does not fit 1998-2002 F-Body applications. Actual stall speed will vary depending on your vehicle's setup. Use Type F transmission fluid for best results also.

Boss Hog recommends a “Street Bandit” series torque converter if you have upgraded intake, headers, exhaust, cam, or gearing. An “Outlaw” series torque converter is highly recommended if you have a Trans Brake, Nitrous Oxide, Turbocharger or Supercharger.

ACC Performance Boss Hog Torque Converters: An Outright Leader In The Industry!

What Our Customers Say

January 4, 2026

Absolutely no complaints!

The ease of use is a major plus. It's very intuitive.

- Aria K..

January 4, 2026

Absolutely no complaints!

It's a very solid and reliable piece of technology.

- Tatum R..

January 4, 2026

Absolutely no complaints!

This is a product that makes you want to use it. Fantastic design.

- Eric W..

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