Check out what one of our own had to say in a recent article put out by PRI over ignition systems.
Spark Plug Assortment
Brisk Spark Plug Assortment
| Part Number | Type |
Thread |
Reach | Hexagon | Seat | Design | Resistor | Projected |
|---|---|---|---|---|---|---|---|---|
| QR08S Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 16mm-5/8" | gasket | Silver Racing | yes | no |
| BOR14LGS Spark Plug | Premium Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Premium LGS | yes | yes |
| QR15BFXC Spark Plug | Premium EVO | 12mm | 26.1mm-1.05" | 16mm-5/8" | gasket | Premium EVO | yes | yes |
| B14YC Spark Plug | BRISK Super | 12mm | 19mm-3/4" | 17.5mm-11/16" | gasket | Copper Alloy Electrode | no | yes |
| P10 BR14YIR Spark Plug | Iridium Yttrium | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Iridium Performance | yes | yes |
| BR12BFXC Spark Plug | Premium EVO | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Premium EVO | yes | yes |
| BR14YC Spark Plug | BRISK Super | 12mm | 19mm-3/4" | 17.5mm-11/16" | gasket | Copper Alloy Electrode | yes | yes |
| MR08GS Spark Plug | Premium Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | no |
| MOR12LGS Spark Plug | Premium Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Premium LGS | yes | yes |
| B08S Spark Plug | Silver Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Silver Racing | no | no |
| BR14BFXC Spark Plug | Premium EVO | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Premium EVO | yes | yes |
| MR12YS-9 Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | yes |
| BR15YC Spark Plug | BRISK Super | 12mm | 19mm-3/4" | 17.5mm-11/16" | gasket | Copper Alloy Electrode | yes | yes |
| MR12LS Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | extra-projected |
| P11 MR14YIR-1 Spark Plug | Iridium Yttrium | 12mm | 26.5mm-1.05" | 14.3mm-9/16" | gasket | Iridium Performance | yes | yes |
| B10S Spark Plug | Silver Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Silver Racing | no | no |
| MR12YS Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | yes |
| MR10S Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | no |
| MR12S Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | no |
| XOR10S Spark Plug | Silver Racing | 12mm | 27mm | 14mm | tapered | Silver Racing | yes | no |
| BR10S Spark Plug | Silver Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Silver Racing | yes | no |
| BR10YS Spark Plug | Silver Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Silver Racing | yes | yes |
| QR14BFXC | Premium EVO | 12mm | 26.5mm-1.05" | 16mm-5/8" | gasket | Premium EVO | yes | yes |
| BR14YS-9 Spark Plug | Silver Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Silver Racing | yes | yes |
| MR12YS-6 Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | yes |
| MR14LC Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Copper Alloy Electrode | yes | extra-projected |
| MR12ZS Spark Plug | Premium Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Multi-Spark Racing | yes | yes |
| BR10ZS Spark Plug | Premium Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Multi-Spark Racing | yes | yes |
| BOR10LGS Spark Plug | Premium Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Premium LGS | yes | no |
| B12S Spark Plug | Silver Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Silver Racing | no | no |
| P8 MR14YIR-9 Spark Plug | Iridium Yttrium | 12mm | 26.5mm-1" | 14mm | gasket | Iridium Performance | yes | yes |
| QR10S Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | no |
| BR08GS Spark Plug | Premium Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Silver Racing | yes | no |
| BR12S Spark Plug | Silver Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Silver Racing | yes | no |
| QR15LC-1 Spark Plug | BRISK Super | 12mm | 26.1mm-1.05" | 14mm | gasket | Copper Alloy Electrode | yes | extra-projected |
| BR12YS Spark Plug | Silver Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Silver Racing | yes | yes |
| QR14LS Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 16mm-5/8" | gasket | Silver Racing | yes | extra-projected |
| QR12LS Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 16mm-5/8" | gasket | Silver Racing | yes | extra-projected |
| BR12ZC Spark Plug | Premium Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Multi-Spark Racing | yes | yes |
| BR12YS-9 Spark Plug | Silver Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Silver Racing | yes | yes |
| QR15LS Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 16mm-5/8" | gasket | Silver Racing | yes | yes |
| XOR12YS Spark Plug | Silver Racing | 12mm | 27mm | 14mm | tapered | Silver Racing | yes | yes |
| BR12YPY Spark Plug | Platin / Yttrium | 12mm | 19mm-3/4" | 17.5mm-11/16" | gasket | Yttrium Electrodes | yes | yes |
| BR12YC Spark Plug | BRISK Super | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Copper Alloy Electrode | yes | yes |
| QR15LC Spark Plug | BRISK Super | 12mm | 26.1mm-1.05" | 16mm-5/8" | gasket | Copper Alloy Electrode | yes | extra-projected |
| BR15YS Spark Plug | Silver Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Silver Racing | yes | yes |
| XOR14YS Spark Plug | Silver Racing | 12mm | 27mm | 14mm | tapered | Silver Racing | yes | yes |
| BR10YS-9 Spark Plug | Silver Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Silver Racing | yes | yes |
| BOR12LGS Spark Plug | Premium Racing | 12mm | 19mm-3/4" | 16mm-5/8" | gasket | Premium LGS | semi | yes |
| MOR14LGS Spark Plug | Premium Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Premium LGS | yes | yes |
