Chevy Aluminum Flywheel 168 tooth, 11" clutch pattern
Fits:
1955-1997 SB and BB Chevy Aluminum Flywheel 168 tooth ring gear11" clutch with Counterweight optionFor 2-piece rear main seal engines - 2.485" flange.
Made in the USA
https://www.moderndriveline.com/choosing-a-gm-flywheel/