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 |
|---|---|---|---|---|---|---|---|---|
| ROR12LGS-T Spark Plug | Premium Racing | 14mm | 25mm-1" | 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 |
| FR17YC Spark Plug | BRISK Super | 18mm | 11.6mm- .460" | 21mm-13/16" | tapered | Copper Alloy Electrode | yes | yes |
| GR08S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| HO12LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | no | yes |
| GOR14DC Spark Plug | Turbo Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Turbo Racing | yes | yes |
| GR17YS Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| HO11LGS-T Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | no | no |
| HOR12LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| XOR12YS Spark Plug | Silver Racing | 12mm | 27mm | 14mm | tapered | Silver Racing | yes | yes |
| RR15S Spark Plug | Silver Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| GO14IRY Spark Plug | Iridium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Iridium Racing | no | semi |
| HR17C Spark Plug | BRISK Super | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Copper Alloy Electrode | yes | no |
| HR15YS Spark Plug | Silver Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| H4YS Spark Plug | Nology | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Silver Racing | no | yes |
| XOR14YS Spark Plug | Silver Racing | 12mm | 27mm | 14mm | tapered | Silver Racing | yes | yes |
| GOR14IR Spark Plug | Iridium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Iridium Racing | yes | semi |
| HR14YS Spark Plug | Silver Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| RR08S Spark Plug | Silver Racing | 14mm | 26.5mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| 3VR10S Spark Plug | Silver Racing | HT 16mm | 22mm | 14.3mm-9/16" | tapered | Silver Racing | yes | no |
| G14YC Spark Plug | BRISK Super | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Copper Alloy Electrode | no | yes |
| HO14LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | no | yes |
| RR12YS Spark Plugs | Silver Racing | 14mm | 26.5mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| GR15SXC Spark Plug | Premium EVO | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium EVO | yes | yes |
| 3VR12S Spark Plug | Silver Racing | HT 16mm | 22mm | 14.3mm-9/16" | tapered | Silver Racing | yes | no |
| P23 RR15BYIR-3 Spark Plug | Iridium Yttrium | 14mm | 25mm-1" | 16mm-5/8" | tapered | Iridium Performance | yes | yes |
| GR14YC Spark Plug | BRISK Super | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Copper Alloy Electrode | yes | yes |
| HOR14LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| HR17YTE-1 Spark Plug | BRISK Yttrium Perf. | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | YTE | yes | yes |
| 3VR14S Spark Plug | Silver Racing | HT 16mm | 22mm | 14.3mm-9/16" | tapered | Silver Racing | yes | no |
| P24 RR17BYIR-3 Spark Plug | Iridium Yttrium | 14mm | 25mm-1" | 16mm-5/8" | tapered | Iridium Performance | yes | yes |
| GR15ZC Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Multi-Spark Racing | yes | yes |
| HOR15LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| RR15SXC Spark Plug | Premium EVO | 14mm | 25mm-1" | 16mm-5/8" | tapered | Premium EVO | yes | yes |
| 3VR17YS Spark Plug | Silver Racing | HT 16mm | 22mm | 14.3mm-9/16" | tapered | Silver Racing | yes | yes |
| 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 |
| P25 GR17BYIR-3 Spark Plug | Iridium Yttrium | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Iridium Performance | yes | yes |
| RR10S Spark Plug | Silver Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| HOR15YTE Spark Plug | BRISK Yttrium Perf. | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | YTE | yes | yes |
| GOR15LGS Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| HOR17LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| GR12YS Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Center Electrode | yes | yes |
| RR12S Spark Plug | Silver Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| G08S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | no | no |
| HR17YTE Spark Plug | BRISK Yttrium Perf. | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | YTE | yes | yes |
| GOR15LGS-T Spark Plug | Premium Racing | 14mm | 18mm- .708" | 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 |
| RR15BSXC Spark Plug | Premium EVO | 14mm | 25mm-1" | 16mm-5/8" | tapered | Premium EVO | yes | yes |
| RR14S Spark Plug | Silver Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | no |
