Coverter Bolt Pattern: LS bolt pattern 11.1" Bolt pattern

Flexplates are .035" thicker than stock and the starter ring is welded to both sides of the flexplate for additional strength. Constructed from a high tensile strength material these flexplates resist elongation and cracking. All 168 tooth flexplates are sized for stock 3/8" mounting bolts and can be easily drilled for 7/16" diameter high performance torque converter applications and are SFI 29.1 approved.
Fits internally balanced Chevy 4.8, 5.3, 5.7, 6.0 LS1/LS6-series V8 engines.

For 4L80E applications, use P/N 399754.