He is correct. And Holley/Weiand bought b&m so that's why the W is on the 250.

But anyway they are pretty close but 2 different blowers. Still a good price though!!

Thanks for the info. I was not sure of the time line when holley was buying everything in sight.

Ttt

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These are in very serviceable condition as is or very easy weld and grind to bring back to 100%

do you have the thermostat housings?

No. Only have what is pictured. Blowers, intakes, lower pulleys, 2 sets of upper pulleys (3.5" and 4") and the belts. Im pretty sure thats all.

interested in the small pulley's

They are both Weiand 256 blowers, one is a Mercruiser hard anodized case and Weiand machined off, the other is a newer case but has the Mercruiser drive on it, I would say someone lost one blower and purchased a new blower section at one time. Good luck with the sale.

Still for sale! Lots of interest in the intakes. If you are looking for a spare blower pm me Im sure the intakes and pulley setups will sell.

Weird, looks like the rear bearing covers are mismatched. Like they should be swapped around to match the front covers on each blower. They are 256 Weiands, one being a Merc blower (anodized case) other looks to be a non merc blower.

I see one is teflon stripped, is the other one also? I don't believe the 256's were teflon stripped either from merc, or from Weiand. The 250's were, both from B&M, and Weiand (weiand/holley did take over B&M).