This item is a brand new stock replacement style steel flex plate.
It fits some 1955 - 1985 sbc GM GMC Chevy 267 283 302 305 307 327
350 V8 engines with a two piece style rear main seal. It also fits most
1965 - 1990 bbc Chevy & GMC 366 396 402 427 V8 engines. It also
fits some 200 229 and 262 (4.3Z) 90° V6 engines. It also fits the 250
inline 6 cylinder engines.
This flexplate is 14.13" in outside diameter, has 168 teeth on the starter ring
gear, and is an internal neutral balance style flexplate. It has the
dual bolt pattern to accommodate 10 3/4" & 11 1/2" torque converter
bolt circle patterns for the Powerglide, TH350, TH400 and 700R4
transmissions.
Application Note: GM used internally and externally balanced
flex plates in several different diameters on the small and big block
engines over the years. You will need to check your old one for balance
style and diameter.