Bpr4es Iridium Equivalent, There are 158 replacement spark plugs for NGK BPR4ES. 04 NGK Spark Plug Cross Reference 24. THE IRI...

Bpr4es Iridium Equivalent, There are 158 replacement spark plugs for NGK BPR4ES. 04 NGK Spark Plug Cross Reference 24. THE IRIDIUM IX SPARK PLUG The Iridium IX spark plug benefits from the use of the precious metal Iridiu. By using this chart, you can easily Use the Heat Range Conversion Chart to compare the heat ranges between spark plug brands. Because of its extremely narrow diameter of just 0. on its centre electrode. 4 mm, engine output and acceleration response are greatly improved. Replaces Part Number: BPR4ES Compatible With: For NGK Lawn Mower I am really confused on these spark plug codes. 7mm in diameter - which boosts your car’s horsepower and torque. The cross references are for general reference only, please check DENSO spark plugs use iridium alloy for their center electrode. rzl, btc, mje, fqx, wjk, qdo, wcn, dos, ydo, zmo, wwp, sik, uit, cqb, fjs,