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 |
|---|---|---|---|---|---|---|---|---|
| HOR12LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| HOR14LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| HOR15LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| HOR15YTE Spark Plug | BRISK Yttrium Perf. | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | YTE | yes | yes |
| HOR17LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| HOR17YTE-1 Spark Plug | BRISK Yttrium Perf. | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | YTE | yes | yes |
| HOR17YTE-3 | BRISK Yttrium Perf. | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | YTE | yes | yes |
| HR14YS Spark Plug | Silver Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| HR15YS Spark Plug | Silver Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| HR17C Spark Plug | BRISK Super | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Copper Alloy Electrode | yes | no |
| HR17YTE Spark Plug | BRISK Yttrium Perf. | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | YTE | yes | yes |
| HR17YTE-1 Spark Plug | BRISK Yttrium Perf. | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | YTE | yes | yes |
| JR17 Spark Plug | BRISK Super | 14mm | 9.5mm- 3/8" | 21mm-13/16" | gasket | Copper Alloy Electrode | yes | no |
| JR19 Spark Plug | BRISK Super | 14mm | 9.5mm- 3/8" | 21mm-13/16" | gasket | Copper Alloy Electrode | yes | no |
| K17C Spark Plug | BRISK Super | 14mm | 9.5mm- 3/8" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | no |
| K19 Spark Plug | BRISK Super | 14mm | 9.5mm- 3/8" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | no |
| KR17YC Spark Plug | BRISK Super | 14mm | 9.5mm- 3/8" | 21mm-13/16" | gasket | Copper Alloy Electrode | yes | yes |
| KR19YC Spark Plug | BRISK Super | 14mm | 9.5mm- 3/8" | 21mm-13/16" | gasket | Copper Alloy Electrode | yes | yes |
| L08C Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | no | no |
| L08SL Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | no | no |
| L08YS Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | no | yes |
| L08ZS Spark Plug | Premium Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Multi-Spark Racing | no | yes |
| L10S Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | no | no |
| L10S TM Racing Spark Plug | TM Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | no | no |
| L10SL Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | no | no |
| L10ZS Spark Plug | Premium Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Multi-Spark Racing | no | yes |
| L11S Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | no | semi |
| L11SL Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | no | semi |
| L14C Spark Plug | BRISK Super | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | no |
| L14YC Spark Plug | BRISK Super | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | yes |
| L15C Spark Plug | BRISK Super | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | no |
| L15YC Spark Plug | BRISK Super | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | yes |
| L17C Spark Plug | BRISK Super | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | no |
| L17YC Spark Plug | BRISK Super | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | yes |
| LOR12LGS Spark Plug | Premium Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Premium LGS | yes | yes |
| LOR14LGS Spark Plug | Premium Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Premium LGS | yes | yes |
| LOR15LGS Spark Plug | Premium Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Premium LGS | yes | yes |
| LOR17LGS Spark Plug | Premium Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Premium LGS | yes | yes |
| LR08SL Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | no |
| LR08ZS Spark Plug | Premium Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Multi-Spark Racing | yes | yes |
| LR10S Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | no |
| LR10SL Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | no |
| LR10ZS Spark Plug | Premium Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Multi-Spark Racing | yes | yes |
| LR11S Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | no |
| LR11SL Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | semi |
| LR12SL Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | semi |
| LR12YS Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | yes |
| LR12ZS Spark Plug | Premium Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Multi-Spark Racing | yes | yes |
| LR14C Spark Plug | BRISK Super | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Copper Alloy Electrode | yes | no |
| LR14S Spark Plug | Silver Racing | 14mm | 19mm-3/4" | 21mm-13/16" | gasket | Silver Racing | yes | no |
