Moroso 63420 - Filler Neck, Manifold

Manifold Filler Neck Kit Incl. Gaskets/Bolts/Wahsers/Standard Size Radiator Cap Filler Neck Chevrolet V8 And 90 deg. V6 • 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 Part # REPLACEMENT PARTS 63465 Filler Neck Only (for standard size radiator cap) 63466 Heavy-Duty Filler Neck only (for standard size radiator cap)