NGK, DCPR7E spark plug for Harley Davidson

REPL. For Oem 6R12. 
12 mm thread. 
19 mm range (3/4 "). 
It is used with a 16 mm spark plug cap. 
Removable terminal. 
Central electrode with copper nucleus. 
V-Power spark plugs with NGK copper nucleus have a special V slot, which improves flammability and reduces cooling. 
The 98 % pure copper nucleus offers greater heat dissipation for more reliable starts and a lower risk of overheating. 
- Cold rolled threads prevent the threads from crossing and culats are damaged. 
The trivalent coating eliminates the need for high quality alumina. silicate ceramics.

Compatible with:> 99-17 Twin Cam; 86-22 xl; BMW: 91-99 K 1100 LT 89V2 1100cc; 92-97 k 1100 rs 89v2 1100 cc; 03-05 K 1200 GT 1200 CC; 98-04 K 1200 LT 1200 CC; 96-01K 1200RS 1200cc