Filler Neck Top Opening ID: 1.65". Made of material, and practical to use. Material: Copper.
Car Radiator Cap Fitting 42mm Inner Diameter 54mm Outer Diameter Filler Neck
MGB B Series Rocker Cover, Dash Pots, Radiator Cap 7LBS, Oil Cap 62 67 Polished
Stant Gates 18-22 PSI Radiator Cap with Lever Release RC10381
Land Rover Series 3 2.25 Petrol & Diesel Radiator Cap RTC3610 / STC4735 Allmakes
Coolant Expansion Tank Radiator Cap for BMW 1 2 3 4 5 6 7 Series X1 X3 X4 X5 X6
Coolant Expansion Tank Radiator Cap Fits BMW 3 Series E30 E36 E46 Febi 12205