These billet weld-on fill necks are ideal for use wherever a heavy-duty, custom application filler neck is required. They feature a billet aluminium construction for durability in racing or street applications. These fill necks include barbed fittings for the plumbing of an expansion tank.

Suit a 508-13 Radiator caps.

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Proflow Billet Aluminium Radiator Filler Neck Weld On, 32mm, Suit Japanese Size Radiator Cap, Each

Proflow Billet Aluminium Radiator Filler Neck Weld On, 32mm, Suit Japanese Size Radiator Cap, Each

$39.50

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