Filler Neck, Extended

• Extended filler neck raises water fill point 5-3/4" above manifold; ideal for bleeding off cooling system air
• 60° incline of filler tube clears air scoops to provide quick and accessible filling for in between-rounds cool down
• Mounting base, extension tube and neck are all manufactured from rugged 6061-T6 billet aluminum to withstand harsh racing environments and continual cap removal/replacement
• Accepts Moroso or standard-size radiator cap (not included)
• Includes gasket and 1/8" NPT to 3/8" I.D. barbed fitting to plumb expression tanks
• 100% pressure tested for leak-free service
• Use with Moroso Manifold Filler Neck Kit No. 63420

Part # AVAILABLE OPTIONS
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