Skip to main content
1
Images
Videos
Holley EFI

Holley EFI 300-660 Throttle Body Adapter

Compatible with 80mm Gen III Hemi Throttle body on an intake designed for a 95mm GM LS Throttle Body

Part # 300-660 Be the first to write a review

Holley EFI 300-660 Throttle Body Adapter

In Stock
Free Shipping on orders over $150*
$71.70
Add to Wishlist
3

Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

See Emissions Details
Allows Use of 80mm Mopar Gen III Hemi Thottle Body on Intakes designed for 95mm GM LS Throttle Body.
Bore (mm)95/80
Brand Holley EFI
ColorSilver
Diameter95/80mm
Emission Code3
5
Product TypeThrottle Body Adapters
UPC090127105085
Manufacturer Part Number300-660
Part Number300-660
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

Have a question about this product?

    Load More
    Reviews

      Your Review

      *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

      Some parts are not legal for use in California or other states with similar regulations.