S&S, cast iron valve guide in/ex. STDs for Harley Davidson

Original replacement for all S&S SH (Showla) and KN (Knucklehead style).
It will also fit as an original replacement for L79-84 OEM SHOVELHEAD models.

It adapts to:> Shovel L79-84; S&S SHOVEL & PAN SUPERSOCK heads; All S&S SH & KN (NU) engines