Restoring American Muscle Car and Classics - we help your engine breath easier!

1977 Pontiac Trans Am Shaker Hood Scoop 400 T/A 6.6


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OEM 1977 Pontiac Trans Am W72 400 Shaker Hood Scoop. This is an original shaker hood scoop that is in excellent overall original condition. The original Mayan Red paint has held up well, as have the original decals. The fiberglass is very nice with a nice original patina and the correct center ridge on top. The base plate is correct for the 400 Pontiac engines - the T/A 6.6 indicates such. The base plate also features the original spacers - unique to 77 models. The back scoop inlet is original and has NOT been cut - hard to find these days. The interior features the Barnum Brothers details, as well as a stamped date code. Comes with an original stainless steel band clamp with original nut/square bolt; there is no plastic  drain included, but the hole is the original size with no cracks.

There are no apparent/obvious cracks anywhere to be found on the assemlby.

For further information on the restoration process, please contact us.




This assembly is correct for the following 1977 models:


Trans Am with 400 Pontiac engine: W-72 (77 specific due to 2" height of the unit, spacers, and shorter rear closed inlet); L78 400.

Note: 78-79 W-72 cars came with the taller version (2.5") without the spacers - while this will work, it is not technically correct.

*It will also fit 455 Pontiac engines transplanted into 400 cars. 


Note: this will NOT fit the L80 403 Olds engines or Pontiac 301/Chevrolet 305/350 engines due to the offset of the shaker scoop, as well as the difference in carburetor flange drop and shaker adpater plate size. 




The assembly will fit factory 16.5" shaker air cleaner base and on factory height intake manifolds. If you have modified your carburetor or intake manifold, please inquire first prior to bidding to ensure fitment is correct. Return requests for non-fitment will not be honored.





The assembly will ship within one day (usually the day of payment) with shipping/tracking information provided.



This assembly is guaranteed to match the item description – customers have up to 14 days to return the assembly after receipt if it is not as described.



Assemblies must be returned in the original packing – customers are responsible for return shipping charges. A refund will be issued upon receipt of the inspected assembly. Returns for non-fitment will not be honored – please ask questions first.



In the event of shipping damage, customers must save all packaging and send 5 digital pictures so Musclecar Air Cleaners can initiate a shipping damage claim.



We ship with


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Estimated insured shipping costs:

            US  $20-$30 

            Canada / Hawaii / Alaska $45 +/-

            Scandinavia  $65 or less

            Australia  $95 or less