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Moroso 63424 - Filler Neck, Billet, 16An, Port & Neck

Since 1968, Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications!

Filler Neck Housing, Billet Aluminum, Manifold & Neck, -16AN, O-Ring, Port O-Rings, Gaskets Top and Bottom
Availability: Will be special ordered for you.
Pricing: $144.99


• Black anodized billet aluminum housing with the included bolt- on billet aluminum radiator neck stands 3-1/4" tall, which locates filler neck at highest point to bleed off air on cars with low-mount radiators
• The unit can be flipped 180° for either right or left water hose outlet location
• -16AN female port is designed to be used with Nos. 22622, 63521, 63522, 63523, 63525
• No need to worry about gaskets because on the top and bottom of the housing are machined O-ring grooves with included O-rings
• Includes a 1/2" NPT port for installing a water temperature sending unit and two 1/4" NPT ports to plumb return lines on popular aftermarket cylinder heads
• Includes bolts and washers

63307 6-8 lb Racing Radiator Cap
63309 8-10 lb Radiator Racing Cap
63313 12-16 lb Racing Radiator Cap
63316 14-18 lb Racing Radiator Cap
63320 19-21 lb Racing Radiator Cap
63324 23-25 lb Racing Radiator Cap
63328 27-29 lb Racing Radiator Cap
63332 31-33 lb Racing Radiator Cap

California Proposition 65

California Prop 65WARNING: Cancer & Reproductive Harm -


  • 63424
  • 63424
  • 084663634246
  • Moroso
  • Will be special ordered for you.
  • New

Shipping Information

  • Item Requires Shipping
  • 1.8 lbs.
  • W4.0000” x H5.0000” x L4.0000”

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California Residents: Prop 65

WARNING: Cancer and Reproductive Harm -