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Like many of the products manufactured by SPA Design this CNC Machined Aluminium Radiator Filler Neck has numerous Motorsport applications.

Available in two sizes for both standard automotive and motorcycle type radiator caps.

These radiator filler necks are manufactured from HE 30 Aluminium and come with either 3/8" or 1/4" diameter overflow pipes on the automotive type or 1/4" diameter on the motorcycle type.

Radiator Filler Necks

STD 002 Automotive 1/4 (12) More Info
STD 001 Automotive 3/8 (12) More Info
MC 003 Motorcycle 1/4 (12) More Info