Aluminium Radiator Filler Necks Size:Small Japanese 43 mm Available in multiple pressure ratings

Available in multiple pressure ratings to match manufacturer requirements

Available in Round or Winged versions

It includes new stainless fan cowl bolts

and a professional finish on custom or replacement cooling systems

Aluminium Radiator Filler Necks Size:Small Japanese 43 mm Available in multiple pressure ratingsDesigned for expert use, our Aluminium Radiator Filler Necks come in two sizes (small Japanese and standard 56 mm). Made from 0. 9 mm pressed aluminium, they are both durable and lightweight. Easily self welded, these filler necks offer a seamless fit for your radiator. Careful welding is recommended for best results.