Manifold Filler Necks

• 90° swivel universal water neck
• Swivel neck rotates making hose access easy
• Polished aluminum construction
• Includes bolts

• Billet aluminum spacer fits between intake manifold and water neck
• Provides connection options for temperature senders or additional water lines
• 1" tall spacer includes four 1/2" NPT ports with plugs and an O-ring seal on one side eliminating the need for a gasket

• 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" N.P.T. 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

• Chevy V8 & 90° V6 Filler Neck Manifold Housing
• 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 installing water temp sending unit & 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

• Black Billet Aluminum Filler Neck
• Fits Small Block, Big Block, and 90° V6 Chevy Intake Manifolds
• Features -16 AN fitting and two 3/8" NPT female ports to plumb water to cylinder head for cooling
• Includes gasket

• Fits most Chevy V8
• Accepts most standard thermostats and swivel a full 360 degree to simplify connection of LH or RH radiator hoses to engine
• Black anodized finish helps protect against corrosion
• Stainless steel hardware and an o-ring for sealing the base of the water neck to engine included

• Chevy Bolt-On Stamped Aluminum Filler Neck
• Accepts Moroso or standard-size radiator cap (not included)
• Excellent replacement part for Moroso Filler Neck Kit No. 63420
• Black anodized aluminum
• Includes gasket

• Water Neck Block-Off Plate, Chevrolet V8 & 90° V6
• 1/4" 6061-T6 aluminum plate provides an ideal base to weld-your-own radiator hose fitting to the intake manifold
• Untreated aluminum makes it easy to drill opening and weld to any size fitting of your choice
• Perfect for racing and custom applications
• Gasket included

• Stamped Aluminum Filler Neck, Weld-On
• Ideal for custom application
• Accepts Moroso or standard-size radiator cap (not included)
• Multiple applications including race and street performance