Air Filter K&N Large Vanguard Flat Top EFI – Backwater Performance
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
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 |
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Air Filter K&N Large Vanguard Flat Top EFI – Backwater Performance
Air Filter K&N Large Vanguard Flat Top EFI – Backwater Performance
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Air Filter Large Vanguard Flat Top – Backwater Performance
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