NGK Platinum Spark Plug - PMR7A
NGK Platinum Spark Plug - PMR8A
NGK Platinum Spark Plug - PMR9B
NGK Platinum Spark Plug - PTR5A-10
NGK Platinum Spark Plug - PTR5A-13
NGK Platinum Spark Plug - PTR5C-13
NGK Platinum Spark Plug - PTR5D-10
NGK Platinum Spark Plug - PTR5D-13
NGK Platinum Spark Plug - PTR6D-13
NGK Platinum Spark Plug - PTR6F-13
NGK Platinum Spark Plug - PZFR5D-11
NGK Platinum Spark Plug - PZFR5F
NGK Platinum Spark Plug - PZFR5F-11
NGK Platinum Spark Plug - PZFR5N-11T
NGK Platinum Spark Plug - PZFR6F-11
NGK Platinum Spark Plug - PZFR6H
NGK Platinum Spark Plug - PZFR6R
NGK Platinum Spark Plug - PZTR5A-15
NGK Ruthenium Spark Plug - HX 90220 (LTR5AHX)
NGK Ruthenium Spark Plug - HX 90495 (LTR6BHX)
NGK Ruthenium Spark Plug - HX 91276 (LTR6AHX)
