If I post an Ebay link the PC Patrol will zap it right away. The machining procedure takes less than 30 minutes for a first-time attempt, maybe half that once the guy doing the job gets a little practice under his belt. It's two facing cuts and one diameter cut, plus a little polishing of the seal surface with emery cloth.

Here's one of several: Search "250 Chevy Harmonic Balancer"

https://www.ebay.com/itm/Harmonic-Balancer-Blazer-Jimmy-Suburban-Chevrolet-GMC-Van-4-1L-250-New/111747281451?fits=Make%3AChevrolet&hash=item1a04a8322b:g:JVUAAOSw9N1V03qw:sc:UPSGround!38453!US!-1

Here's another one- - - -"Brand new, free shipping" same as the first link. Do a copy/paste into your browser.

https://www.ebay.com/itm/Brand-New-Harmonic-Balancer-Belt-Drive-Pulley-For-C10-C20-Pickup-Camaro-Nova/222999369804?_trkparms=aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D1%26asc%3D225638%26meid%3Dbcff5587156f4e76abbf932e301cc851%26pid%3D100005%26rk%3D1%26rkt%3D12%26mehot%3Dpf%26sd%3D111747281451%26itm%3D222999369804%26pmt%3D1%26noa%3D0%26pg%3D2047675%26algv%3DSimplAMLv5PairwiseWebWithImageNsfwFilter&_trksid=p2047675.c100005.m1851

Jerry



"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!