My torque converter came from a 4L80E 1998 Chevy Silverado 2500 HD that came off of a 5.7 l 350 vortec small block V8 it also matches the 7.5 454 vortec Big block V8 from what I hear it also matches a 4l60E but I would not recommend it $125 or best offer this torque converter only has 65,000 miles on it and was rebuilt my flywheel cover can come with it for my asking price