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Ignitions and Electrical› Ignition Components
Brisk Spark Plugs
Spark Plug Silver Racing
SKU: B02P RR12S
Easy — 1–2 hours
Overview
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Part #: RR12S
Spark Plug - Silver Racing - 14 mm Thread - 25 mm Reach - Heat Range 12 - Tapered Seat - Resistor - Each
Vehicle Symptoms
- Engine misfiring under heavy acceleration
- Rough idle or hesitation at high RPM
- Poor throttle response during hard driving
- Hard starting in cold or wet conditions
- Reduced fuel economy and power output
Diagnostic Codes
- P0300 – Random misfire
- P0301 – Cylinder 1 misfire
- P0302 – Cylinder 2 misfire
- P0303 – Cylinder 3 misfire
- P0304 – Cylinder 4 misfire
Relevant Conversations
- Brisk RR12S silver spark plug review
- Best spark plugs for high horsepower builds
- Misfire at high RPM – need new plugs?
- P0300 code after engine swap fix
- Brisk vs NGK racing spark plugs comparison
- Silver electrode spark plug benefits
- RR12S heat range 12 for turbo application
- Spark plug upgrade for track day car
- How to gap Brisk RR12S spark plugs
- Will Brisk silver plugs fix hesitation under load?
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Brisk Spark Plugs |
| Part Number | B02P RR12S |
About MOTORMIA
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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