Aftermarket oil pressure relief piston and spring. The spring is slightly longer than stock and will produce a little more oil pressure than normal. Fits 2.0Ltr aircooled and 1.9 & 2.1Ltr watercooled.
Piston may come with a factory applied cosmoline coating for rust prevention. You will need removed this coating before install.
Ref ID:021115411A, 021115421B
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