991920 Ceramic headvalve 1/2”, 180°

Fits on

ADAMS: 521011 – 521015 – 521020 – 521022 – 521133 – 521134 – 521146 – 521147 – 522014 – 522015 -522117 – 522118 – 523025 – 523050 – 523080 – 523106 – 523110 – 523240 – 523242 – 523510 – 523613 – 524020 – 524021 – 524030 – 524120 – 524215 – 525060

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