• The product is an original equipment manufacturer (OEM) spark plug designed specifically for Rolls-Royce vehicles, such as the Phantom and Cullinan models. 
  
• With the part number 12120039631 and originating from Japan, this high power spark plug is essential for ensuring optimal ignition performance and reliable engine functionality in Rolls-Royce luxury cars. 
  
• Designed to meet the specific requirements of these vehicles, this OEM spark plug is a genuine replacement part that is essential for maintaining the performance and efficiency of the Rolls-Royce engine.
  
• Please research correct fitment prior to ordering.
  
• Ships same business day.  Weekends/Holidays will ship next available business day.