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



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OEM 1970-71 Chevrolet Monte Carlo SS 454 LS5 Oval Snorkel Air Cleaner. This assembly has been refinished in 60% gloss black to present a period correct image. The base features the long oval snorkel in very good condition, along with the ThermAC vacuum pod, new white-striped vacuum lines, a new heavy duty air filter and breather filter, and a recreated date stamp (early 1970 models). The exterior features a reproduced Air Cleaner Service Decal (CN=70). The interior is in excellent condition as well. The oval snorkel retains a fully functional ThermAC vacuum pre-heater inlet - one light ding just behind it. The points rear clearance had been previously increased slightly -likely to accomodate an HEI distributor; while this does not influence fitment or performance, it is mentioned for clarity.


The original OEM lid is a nice addition to the assembly and features an original seal. To complete the package, a GM licensed reproduction 454 Cross Flags Decal and Turbo-Jet 360HP has been added (loosely installed) to represent the original appearance. The assembly is topped off with a period correct wing nut. 

This assembly is in very nice condition and will enhance your restoration. Best of all, it is a genuine GM part!


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




This assembly is correct for the following models:

1970-71 Chevrolet

Monte Carlo SS with LS5 454/360  

Note that this is the smaller 15 1/8" air cleaner diameter, but with the much larger snorkel as compared to small block 350 assemblies. It also differs from later production air cleaners by way of the smoothed/radiused carburetor inlet flange (later models feature prominent squared edges on the interior of the flange).




The assembly will fit factory 4 barrel Quadrajet carburetors with a 5 1/8" diameter flange, as well as most Holley (not double pumpers), Carter, and Edelbrock variations (some adjustment to the carburetor alignment tangs may be required). Fits non- A/C cars only. 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. This item is shipped insured for all destinations.





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