; Made from 6061-T6 billet aluminum; Easily mounts to any Big Block or Small Block Chevy intake manifold, and can be used in all raacing and street-performance applications where a heavy-duty filler neck is required; Includes screw-in 1/8 NPT hose fitting for expansion tanks, and accepts Moroso or standard size radiator cap (not included); Can also be used as a heavy-duty replacement in our Filler Neck Kit No. 63420

• Made of 6061-T6 billet aluminum
• BBC/SBC intake manifold
• Can be used in applications where a heavy-duty filler neck is required
• Includes screw-in 1/8 NPT hose fitting & accepts Moroso or standard size radiator cap (not included).

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Information:

Made from 6061-T6 billet aluminum; Easily mounts to any Big Block or Small Block Chevy intake manifold, and can be used in all racing and street-performance applications where a heavy-duty filler neck is required; Includes screw-in 1/8 NPT hose fitting for expansion tanks, and accepts Moroso or standard size radiator cap (not included); Can also be used as a heavy-duty replacement in our Filler Neck Kit No. 63420.