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Probably late to the party, but as far as I'm aware there are a few third party distributors that sell the 25sq in Holley Pro Stock throttle body, 7" wide by 4" tall (roughly). If you still run that LOD, then you might have to call a machine shop to see if the can make an adapter to bolt to the front face.
112-123 Holley EFI NHRA Pro Stock Throttle Body
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