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 |
|---|---|---|---|---|---|---|---|---|
| LR14TXS Spark Plug | Premium Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Multi-Spark Racing | yes | yes |
| LR14YS Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | yes |
| LR14ZC Spark Plug | Premium Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Multi-Spark Racing | yes | yes |
| LR15C Spark Plug | BRISK Super | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Copper Alloy Electrode | yes | no |
| LR15S Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | no |
| LR15SXC Spark Plug | Premium EVO | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Premium EVO | yes | yes |
| LR15TC Spark plug | BRISK Super | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Triple Ground Electrodes | yes | yes |
| LR15YCY Spark Plug | BRISK A-line | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Yttrium Alloy Electrode | yes | yes |
| LR15YS Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | yes |
| LR15YS-9 Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | yes |
| LR15ZC Spark Plug | Premium Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Multi-Spark Racing | yes | yes |
| LR17C Spark Plug | BRISK Super | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Copper Alloy Electrode | yes | no |
| LR17TC Spark Plug | BRISK Super | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Triple Ground Electrodes | yes | yes |
| LR17YC-1 Spark Plug | BRISK Super | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Copper Alloy Electrode | yes | yes |
| LR17YCY-1 Spark Plug | BRISK A-line | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Yttrium Alloy Electrode | yes | yes |
| LR17YS Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | yes |
| LR17YS-9 Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | yes |
| MOR12LGS Spark Plug | Premium Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Premium LGS | yes | yes |
| MOR14LGS Spark Plug | Premium Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Premium LGS | yes | yes |
| MR08GS Spark Plug | Premium Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | no |
| MR10S Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | no |
| MR12LS Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | extra-projected |
| MR12S Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | no |
| MR12YS Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | yes |
| MR12YS-6 Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | yes |
| MR12YS-9 Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Silver Racing | yes | yes |
| MR12ZS Spark Plug | Premium Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Multi-Spark Racing | yes | yes |
| MR14BFXC Spark Plug | Premium EVO | 12mm | 26.1mm-1.05" | 14mm | gasket | Premium EVO | yes | yes |
| MR14LC Spark Plug | Silver Racing | 12mm | 26.1mm-1.05" | 14mm | gasket | Copper Alloy Electrode | yes | extra-projected |
| N10S Spark Plugs | Silver Racing | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Silver Racing | no | no |
| N11S Spark Plug | Silver Racing | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Silver Racing | no | semi |
| N12YC Spark Plug | BRISK Super | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | yes |
| N14C Spark Plug | BRISK Super | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | no |
| N14C-1 Spark Plug | BRISK Super | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | no |
| N14YC Spark Plug | BRISK Super | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | yes |
| N15C Spark Plug | BRISK Super | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | no |
| N15YC Spark Plug | BRISK Super | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | yes |
| N17C Spark Plug | BRISK Super | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | no |
| N17YC Spark Plug | BRISK Super | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | yes |
| N19C Spark Plug | BRISK Super | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | no |
| NAOR10LGS Spark Plug | Premium Racing | 10mm | 12.7mm-1/2" | 16mm-5/8" | gasket | Premium LGS | yes | no |
| NAOR12LGS Spark Plug | Premium Racing | 10mm | 12.7mm-1/2" | 16mm-5/8" | gasket | Premium LGS | yes | yes |
| NAOR14LGS Spark Plug | Premium Racing | 10mm | 12.7mm-1/2" | 16mm-5/8" | gasket | Premium LGS | yes | yes |
| NAR12YS Spark Plug | Silver Racing | 10mm | 12.7mm-1/2" | 16mm-5/8" | gasket | Silver Racing | yes | yes |
| NAR14YS Spark Plug | Silver Racing | 10mm | 12.7mm-1/2" | 16mm-5/8" | gasket | Silver Racing | yes | yes |
| NAR15YS Spark Plug | Silver Racing | 10mm | 12.7mm-1/2" | 16mm-5/8" | gasket | Silver Racing | yes | yes |
| NAR17C Spark Plug | BRISK Super | 10mm | 12.7mm-1/2" | 16mm-5/8" | gasket | Copper Alloy Electrode | yes | no |
| NOR10LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Premium LGS | yes | yes |
| NOR12LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Premium LGS | yes | yes |
| NOR14LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Premium LGS | yes | yes |
