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 |
|---|---|---|---|---|---|---|---|---|
| ER14S Spark Plug | Silver Racing | 14mm | 26.1mm-1.05" | 16mm-5/8" | gasket | Silver Racing | yes | no |
| ER14YS Spark Plug | Silver Racing | 14mm | 26.5mm-1" | 16mm-5/8" | gasket | Silver Racing | yes | yes |
| ER15SXC Spark Plug | Premium EVO | 14mm | 26.1mm-1.05" | 16mm-5/8" | gasket | Premium EVO | yes | yes |
| ER15YS Spark Plug | Silver Racing | 14mm | 26.1mm-1.05" | 16mm-5/8" | gasket | Silver Racing | yes | yes |
| F14YC Spark Plug | BRISK Super | 18mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | yes |
| F15YC SparkPlug | BRISK Super | 18mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | yes |
| F17YC Spark Plug | BRISK Super | 18mm | 12.7mm-1/2" | 21mm-13/16" | gasket | Copper Alloy Electrode | no | yes |
| FR15C Spark Plug | BRISK Super | 18mm | 11.6mm- .460" | 21mm-13/16" | tapered | Copper Alloy Electrode | yes | no |
| FR17YC Spark Plug | BRISK Super | 18mm | 11.6mm- .460" | 21mm-13/16" | tapered | Copper Alloy Electrode | yes | yes |
| G08S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | no | no |
| G12S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | no | no |
| G14YC Spark Plug | BRISK Super | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Copper Alloy Electrode | no | yes |
| G14YS Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | no | yes |
| G15YC Spark Plug | BRISK Super | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Copper Alloy Electrode | no | yes |
| G17YC Spark Plug | BRISK Super | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Copper Alloy Electrode | no | yes |
| G4YS Spark Plug | Nology | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | no | yes |
| GO11LGS-T Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium LGS | no | no |
| GO14IRY Spark Plug | Iridium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Iridium Racing | no | semi |
| GO15IR Spark Plug | Iridium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Iridium Racing | no | semi |
| GOR14DC Spark Plug | Turbo Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Turbo Racing | yes | yes |
| GOR14IR Spark Plug | Iridium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Iridium Racing | yes | semi |
| GOR14LGS Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| GOR14LGS-T Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| GOR15LGS Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| GOR15LGS-T Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| GOR15YTE-3 Spark Plug | BRISK Yttrium Perf. | 14mm | 18mm- .708" | 16mm-5/8" | gasket | YTE | yes | yes |
| GOR17LGS Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| GR08S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| GR10S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| GR12S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| GR12YS Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Center Electrode | yes | yes |
| GR12ZC Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Multi-Spark Racing | yes | yes |
| GR14BSXC | Premium EVO | 14mm | 19mm-3/4" | 16mm-5/8" | tapered | Premium EVO | yes | yes |
| GR14S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| GR14SXC | Premium EVO | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium EVO | yes | yes |
| GR14YC Spark Plug | BRISK Super | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Copper Alloy Electrode | yes | yes |
| GR14YS Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| GR14ZC Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Multi-Spark Racing | yes | yes |
| GR15SXC Spark Plug | Premium EVO | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium EVO | yes | yes |
| GR15YS Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| GR15ZC Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Multi-Spark Racing | yes | yes |
| GR17YS Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| H08S Spark Plug | Silver Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Silver Racing | no | no |
| H10S Spark Plug | Silver Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Silver Center Electrode | no | no |
| H12S Spark Plug | Silver Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Silver Center Electrode | no | no |
| H4YS Spark Plug | Nology | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Silver Racing | no | yes |
| HO11LGS-T Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | no | no |
| HO12LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | no | yes |
| HO14LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | no | yes |
| HOR11LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | yes | no |
