BOSCH, PLATINUM SPARK PLUG. YR6DE

Bosch, platinum spark plug. YR6DE

12mm threaded. Used with a 18mm spark plug socket. Comes with a center electrode of 99,9% pure platinum that costs more but lasts longer and offers a wider heat range than conventional plugs.

Fits: > 99-17(NU)Twin Cam; 86-21 XL (excl. XR1200)