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Moroso 63423 - Moroso Filler Necks

Moroso 63423 - Moroso Filler Necks

Moroso#710-63423

Cast Aluminum Filler Neck Housing
  • Small Block Chevy & Big Block Chevy
  • Bolt-On
  • Natural Finish

    Moroso 63423 - Moroso Filler Necks Details

    Cast Aluminum

  • Manifold-mounted filler neck base is identical to the one included in Moroso Kit No. 63420 without the filler neck or mounting hardware
  • 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
  • 356-T6 cast aluminum base stands 2-5/16" tall, which locates filler neck at highest point to bleed off air on cars with low-mount radiators
  • Includes a 1/2" NPT machined port for installing a water temperature sending unit, and two 1/4" NPT machined ports to plumb return lines on popular aftermarket cylinder heads
  • The unit can be flipped 180° for either right or left water hose outlet location
  • Use with one of Moroso's Bolt-On Filler Necks Nos. 710-63460/63461/63465/63466, or Block-Off Plate No. 710-63471

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