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 and has a 1/8" NPT bleed port.

More From This Category

Attitude Inc Beefy Ape Handlebar, Black Powder Coat, 18 in. Rise 1-1/4 in, For Harley Sporster ,Softail Custom, Each

Attitude Inc Beefy Ape Handlebar, Black Powder Coat, 18 in. Rise 1-1/4 in, For Harley Sporster ,Softail Custom, Each

$299.00