Summit Racing has them listed it looks like. 

https://www.summitracing.com/parts/aay-fds-fyb-351


DiLL

Expensive is right. If I could afford $2300, I would go the extra mile and buy John's heads instead. 

... hmm ...

GM 1-Wire ALT
GM PS PUMP
Wonder if it will mount a FRIGIDAIRE AIR COMPRESSOR?
Does it come with an AC-DELCO drive belt?

Might as well add a CHI-COM CARB and HEI DIST and go for the gusto ...

Better yet, jack the car up and run a 350 and TH-400 under it.



EDIT -

There is more than one kit - https://shop.allamericanbillet.com/all-american-billet-ford-y-block-detail.htm?productid=-9795370

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Pricing is well within range for a system like that.  While there is bound to be a premium for a Y-Block version due to low production, the pricing seems reasonable for someone who wants this.  I would imagine that the accessory pullies, and idlers / tensioners are "standard" items and the crank pulley, water pump pulley and brackets are unique for the Y.



Lawrenceville, GA

Never thought I would see this come to pass. New kind of life for the YBlock. Not one I would ever dabble in due to the price I think. Looks well thought out. But I don't agree with the wholesale changeover of parts to get to this point. Would definitely have to see a major horsepower increase proving it. Ted, Whatcha think?

       A  L  A  N   F  R  A  K  E  S   ~  Tulsa, OK    

Sorry didn't see there was another page to this topic. Hopefully I can get the crank pulley separate

Guys wondering why one would go this way and thinking it's about adding HP isn't the reason I've used them. The real reason is decreased maintenance as I've never had to remove and glass bead blast serpentine pulleys to eliminate squeaking. No more belt adjusting(minor I know)The serpentine belt will pull much more load than a single V belt. Is more compact than dual V belts, easier to get replacement belts vs matched pairs which have become less common in normal parts house stocking. Ability to use modern and more available components to drive modern control systems and accessories etc. Tons of benefits! Additional HP has never been a selling point IMO. In fact we order the kits for other cars with the "amp and flow" options that add a slight increase to Alt and Water pump speed. I've had trouble with the kits that claim to add HP as they add power by under driving the accessories. This leads to all kinds of issues. You would need to idle at 1k rpm to get most 1wire alternators to switch on, less water pump flow on mild street stuff, slow fan speeds etc. For a normal street car, these sacrifices aren't worth the 5hp you might see.

I think it's more about simplifying the install. I don't think anyone would be using that for more hp.  With few exceptions, people who desire more hp from a Y aren't adding ac, power steering and the additional weight and clutter required to do so.



Lawrenceville, GA