S&S, steel breather valve. +.030″ OD

+.030″ oversize steel breather valve. Used to save worn or damaged crankcases. Okay for stock or high performance replacement. Note: JIMS has a +.030″ breather hole reamer tool which is available as 978343. Note: that steel breathers require steel brea
36-47 B.T. (NU)
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