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Moroso 63420 - Filler Neck, Manifold

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

Manifold Filler Neck Kit
Incl. Gaskets/Bolts/Wahsers/Standard Size Radiator Cap Filler Neck
Chevrolet V8 And 90 deg. V6
Shipping: Free Shipping* On Orders Over $99!
Pricing: $87.32


• Locates filler neck at highest point on cars with low-mount radiators to bleed off air
• Unit can be flipped 180° for either right or left outlet location
• Includes 1/2" NPT fitting for installation water temperature sending unit and two 1/4" NPT fittings for return lines on popular aftermarket cylinder heads
• Made of 356-T6 cast aluminum; 3-1/4"
• Includes gaskets, bolts, and washers, and standards size radiator cap filler neck

63465 Filler Neck Only (for standard size radiator cap)
63466 Heavy-Duty Filler Neck only (for standard size radiator cap)

California Proposition 65

California Prop 65WARNING: Cancer & Reproductive Harm -


  • 63420
  • 63420
  • 84663634208
  • Moroso
  • New

Shipping Information

  • Item Requires Shipping
  • 1.6 lbs.
  • W4.0000” x H4.0000” x L5.0000”
  • Free Shipping* On Orders Over $99!

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