NGK, CR9EB Spark Plug for Harley Davidson, Ducati, Aprilia

Repl. for OEM 6R10 / RG6HCC.
10 mm thread.
Range 19 mm (3/4").
4 are used in M8, 2 are used in XG.
They are used with a 16 mm spark plug socket.
NGK copper core V-Power spark plugs feature a specially designed V-groove center electrode, which improves ignition efficiency and reduces quenching.
98% pure copper core provides greater heat dissipation for more reliable starts and a lower risk of overheating
- Cold-rolled threads prevent cross-threading and damage to cylinder heads
- Trivalent coating eliminates the need for anti-seize
- High-quality alumina silicate ceramic.

Compatible with: > 17-23 M8; 15-20 Street XG750/500; 17-20 XG750A; Aprilia: 2011 RSV4 1000 APRC R 1000cc; 2011 RSV4 1000 APRC R Factory 1000cc; 2009 RSV4 1000 Factory 1000cc; 2010 RSV4 1000 Factory SPRC SE 1000cc; 2010 RSV4 1000 R 1000cc. Ducati: 04-06 748 Dark 748cc; 2003 749R 749cc; 2003 749S 749cc; 2004 ST3 1000 Sporttouring 992cc; 00-02 996 R 998cc; 2001 998 Biposto, R, S 998cc; 2003 998 Matrix 998cc; 02-06 999R 998cc; 02-06 999S 998cc; 2007 Monster S4R 998cc; 04-08 ST3 1000 1000cc.