Autolite® 4164 Copper Spark Plug for V-Twins - Replacement for OEM# 6R12 - Fits 1986-Up Sportster (XL) and 1999-2017 Twin Cam Harley Models and All 1988-2008 Buell Models - MADE IN USA - Billet Proof Designs
Champion RA8HC Copper Plus Spark Plugs For 1999-2017 Twin Cam, 1986-2022 XL Sportster (Excluding XR1200) Models (Pair) (CCH810) | ARH Custom USA