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:

Air filter cover knob for large block Vanguard engines with no Carb Kit installed and flat air filter cover. Original Briggs and Stratton replacement

Air Filter Cover Knob Large Vanguard

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

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