Schiefer #2615 what's it fit??

Hello everyone, I got a Schiefer part# 2615 aluminum flywheel and don't know what it fits? Anyone have an old book or info with the Schiefer part numbers? Thanks!

 

From a 1967 Bell Auto Parts catalog.

'64-'67 Pontiac V-8 326, 389, 421 & 428 cu. in. (166-tooth flywheel gear)

B&B diaphragm. 10"-10 1/2" $89.00

 

64-67 Pontiac ,,326, 389, 421, 428 166 tooth

 

Thanks guys! Exactly the info I needed. Dwayne