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MAP Sensor Port Cover

LS3 style MAP sensor plug

PART# 300-251

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This billet aluminum cover eliminates the MAP Sensor and works with most intake manifolds w/ the LS3 style MAP Sensor. Includes O-ring seal and mounting hardware.


BrandHolley EFI
Emission Code5
Product TypeMAP Sensor
WarrantyLimited 90 Day
Part Number300-251



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Warranty Information

Limited 90 Day: See Details
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      Some parts are not legal for use in California or other states with similar regulations.