4x NGK Racing Spark Plug Stock 5820 Nickel Core Tip Standard 0.020in R5671A-10

4x NGK Racing Spark Plug Stock 5034 Nickel Core Tip Standard 0.032in R5674-7

4x NGK Standard Spark Plug Stock 3923 Nickel Core Tip Standard 0.032in BPR8ES

4x NGK Standard Spark Plug Stock 5534 Nickel Core Tip Standard 0.032in BPR7ES

4x NGK V-Power Spark Plug Stock 1233 Nickel Core Tip Standard 0.032in BPR5EY

4x NGK Racing Spark Plug Stock 5657 Nickel Core Tip Standard 0.020in R5674-8

8x NGK V-Power Spark Plug Stock 2238 Nickel Core Tip Standard 0.040in TR5

4x NGK Iridium IX Spark Plug Stock 3690 Nickel Core Tip Taper Cut 0.040in TR7IX