Description
ACC Performance designed this Boss Hog 48440 Night Stalker Lock Up Torque Converter for GM 700R4 transmissions. This hand-built 12” converter has a stock stall speed, 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 48440 Night Stalker Torque Converter Features:
- Fits GM 700R4 transmissions
- Stall Speed: Stock
- Torque Converter Use: Stock
- 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: 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!






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