ACC Performance Boss Hog 49490 Night Stalker GM 4L80E/4L85E LS Lock Up Torque Converter

ACC Performance designed this Boss Hog 49490 Night Stalker Lock Up LS Torque Converter for GM 4L80E and 4L85E transmissions with the 2 step input shaft and 2-1/2 inch impeller hub. This hand-built 13” 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 49490 Night Stalker LS Torque Converter Features: Fits GM 4L80E and 4L85E transmission applications with the 2 step input shaft and 2-1/2 inch impeller hub Stall Speed: Stock Torque Converter Use: Stock Diameter: 13.00 in. Bolt Circle: 11.675 in. Input Spline Quantity: 35 Crank Pilot Diameter: 1.703 in. Mounting Hardware Type: M10 x 1.5 Bolts Mounting Hardware Included: No Bal