GM LS/LT Gen V Engine 168 tooth For use with internally balanced engine 8 bolt crankshaft attachment Steel construction, solid design SFI 29.1 Rated 25% thicker than stock flexplates. Precision balanced Rated up to 12,500 rpm Will fit TH350/TH400 with a crank pilot spacer This flex plate is multi-pattern and will have the following Bolt Patterns : 10.75" X3, 11.060" X6, 11.50" X6
