The valve guide ID is approximately .309″ to .310″ with enough material to clean.
Original equipment replacement for S&S SuperStock V-style (Evolution) and T-style (Twin Cam) cylinder heads, but also fits OEM 84-99 Evo BT, 86-03 Sportster and 99-04 Twin Cam models.
Fits:> 84-99 Evo BT; 99-04 Twin Cam; 86-03XL; All S&S V & T style SuperStock heads
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