Air Filter K&N Large Vanguard Flat Top EFIPart Number EC-234
K&N air filter for large block Vanguard EFI engines with flat top cover and no carb kit installed. Original K&N replacement parts. Improves throttle response, horsepower, and fuel economy. Can last a lifetime if maintained properly.
This part is compatible with the following engines:
|Vanguard 37 EFI
|Vanguard 40 EFI