• Moroso Filler Neck Kit 63423 Photo - Primary
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Moroso Authorized Dealer

Moroso Filler Neck Kit

Moroso Filler Neck Kit

sku: 0B2CC | mpn: 63423
$74.99
$74.99 $74.99
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17 in stock

Emissions

This is not an emissions item.
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  • 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. 63460, 63461, 63465, 63466, or Block-Off Plate No. 63471
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