Made of cold rolled high quality steel
For 10.75" (~27.3 cm) and 11.1" (~28.1 cm) torque converter bolt patterns
168 Ring gear
4mm thick center plate
Compatible with GM TH350, 700R4, 200-4R, 4L60 and Powerglide transmissions
For use with factory LS starters
Bolting for Gen III LS Engines with Short Crankshaft Flange