Read Carefully- These parts are Non Returnable
* Finish disclaimer- These are race car parts , not showcar they may have pits and inclusions in the casting, and that cannot be helped. No refund or exchange for finish irregularities -
Dual 4 Barrel 4150 Hat Adapter With the 10.5" Tall Big and Ugly BAU1 with 5" Butterflies *
These are hard to get , so you may have to take whichever butterfly size is most available. Difficult to tell the difference by looking at them from far away
( Fits only on on 8-5/8" center to center carbs )
BAU2 = 10.75" Inches tall w adapter This Listing = 12.5" total height off top of carbs
BAU2 is usually easier to obtain and slightly less $$$ 2" Shorter
Adapter- Made from Billet and polished
You can install our optional automotive air filter that simply lays in the adapter.
Polished - Choose your color butterflies
Mounting hardware NOT included
We do have a cable linkage kit available to open the b flys with the carbs , it seems to be challenging for some customers to install.
. Choose dropdown- to order this linkage . We do NOT have instructions on installing this -