Billet Alloy Weld on Filler & Cap. Aeroflow Performance non-vented filler caps are manufactured from 6061-T6 aluminum and are supplied with BUNA-N (wide range of fuel and oils) and EPR (Nitro methane fuel O-Ring seals. Available in 1", 1-1/2", 2", 2-1/2" & 3" diameters in Blue, Red, Black, Gold, Purple, Raw, Polished and Silver anodized finishes.
Bore Size: 25.4mm (1")
Neck O.D.: 33mm (1-5/16")
Neck Height: 25.4mm (1")
Bore - 25.4mm (1")
Neck Outside Diameter - 33mm (1-5/16")
Cap Internal Diameter - 31mm (1-7/32")
Overall, Height - 27.5mm
Thread -1-5/16"-12 UNF
Replacement O-Ring Kit - AF460-16-KIT