Brisk Premium Multi-Spark Racing LR14ZC Spark Plug

LR14ZC Brisk Premium Racing Spark Plugs ZC ZS Brisk SKU  -  LR14ZC Parameters: Thread Diameter 14mm Thread Reach 19mm- 3/4" Hexagon 21mm-13/16" Seat Type Gasket Design Multi-Spark Resistor Yes Projected Yes Heat Range  -  14 Brisk LR14ZC Replaces: Denso IW20 Denso IW20TT Denso W20EPR-ZU Denso W20TT NGK 2023 NGK BPR7ES NGK BPR7ES9 NGK V-line-19 NGK stk 2023 Torch F7RTC Toyota 90098-70033     Brisk premium racing spark plugs are a multi spark exposed center core and 360 degree earth electrode design. Made out of silver the center core is isolated by a laser deposited ceramic insulator. This manufacturing system gives far superior utilization of fuel energy and reduction in fuel consumption of new and older engines. Brisk ZS ZC racing spark plugs are the very latest in ignition technology pushing the boundaries of spark plug design to the limit. The 360 degree arc design can occur on a minimum of 3 points at once, even very rich mixture found