L78 deep groove crank pulley 3921923 on eBay
 

Old, real GM pulley - not the incorrect new GM or repro. I bought fan and crank pulley as a pair but only need the fan pulley. Hope someone can use it. Strip the chrome and it will be nice!

http://cgi.ebay.com/ws/eBayISAPI.dll...m=220087064854

Thanks,
Dave

Re: L78 deep groove crank pulley 3921923 on eBay
 

Same pulley used on 68 BB nova https://www.yenko.net/ubbthreads/imag...iggthumpup.gif

Re: L78 deep groove crank pulley 3921923 on eBay
 

And also 1968 Passenger w/solid lifter 427 w/o Power steering,and all 1968-69 Corvette 427 except tri-power.
That is a tough part to find with only those holes.