Royal Enfield 350 twin spark NGK Iridium Spark Plug set of 2 

note - this is compatible for only those classic models which has double spark plug and the tip of 1 plug is bigger and another is smaller

Pack included - 

Part number: 

BPR5EIX x  (1 Nos)

CPR8EAIX-9 x (1 Nos) 

Model: NGK Iridium IX

Iridium spark plugs are globally the best performance category of spark plugs having superior technology. These spark plugs use very precious Iridium metal at the tip of center electrode of diameter 0.6mm. and has a thermo-edge design for central electrode. These features give anti carbon fouling performance, smoothest running, and excellent acceleration with increased mileage and are used and appreciated by most racing bikes and cars all over the world.