1997 And Up 4L60E Torque Converter (NEW IN BOX) Fits GM 4L60E (1997-up PWM), 4L65E, and 4L70E units, Engine Compatibility: Works with rear-wheel-drive GM and Chevy trucks, SUVs, and cars using 4.8L, 5.3L, 6.0L, or 5.7L LS1 engines, Common Models: Chevrolet Silverado, Tahoe, Suburban, Trailblazer, Express, GMC Sierra or Yukon, Key Specifications Stall Speed: Low stall typically around 1400 to 1600 RPM Spline Count is 30 splines, Mounting 3 pad mounting pattern with an 11" inch bolt circle, The TMBX converter can replace a TMAX Converter, but a TMAX Will Not replace a TMBX, Firm On Price, Buyer Must Pick Up In Person, Note For Buyer: Must Add 1 Quart Of Dex V1 Tranmission Fluid Into Converter Before Installation