Click on image to zoom

Moroso Filler Neck - Billet - Chevy - Adaptable Outlet

Return Shipping
Limited Supply: only 4 remaining
Availability: Same Day Shipping!
Shipping: Ships from Michigan.
Was: $72.74
Sale: $56.23
Save: 23%
Save: $16.51


  • Manifold-mounted filler neck base is an adaptable billet version of the one included in Moroso Kit No. MOR63420 without the filler neck or mounting hardware
  • 1 inch NPT machined port is designed to use with popular hose adapter (including -AN) sizes, Moroso Nos. MOR63541, MOR63542, MOR63543 and MOR63544
  • Allows you to install a variety of bolt-on style filler necks (radiator cap or -AN style) or block-off plates, offering cooling system flexibility for both race and street applications
  • MOR6061-T6 billet aluminum base stands 2 and five-sixteenths inch tall, which locates filler neck at highest point to bleed off air on cars with low-mount radiators
  • Includes a one-half inch NPT machined port for installing a water temperature sending unit and two one-quarter inch NPT machined ports to plumb return lines on popular aftermarket cylinder heads
  • The unit can be flipped 180 degrees for either right or left water hose outlet location
  • Use with one of Moroso's Bolt-On Filler Necks Nos. MOR63460, MOR63461, MOR63465, MOR63466 or Block-Off Plate No. MOR63471.

    Pit Stop USA offers Moroso Filler Neck - Billet - Chevy - Adaptable Outlet 63421 at low everyday prices. Be sure to check out all of our products from Moroso Performance Products including Moroso Performance Products Water Filler Necks.
  • Details

    • MOR63421
    • MOR63421
    • 84663634215
    • Moroso Performance Products
    • Available
    • Same Day Shipping!
    • New

    Shipping Information

    • Item Requires Shipping
    • 1.0 lbs.
    • W6.7000” x H2.5500” x L9.5500”
    • Ships from Michigan.

    Customer Reviews

    Comment Total Reviews (0)

    Write the First Review!

    You must login to post a review.