NGK SPARK PLUG SIMR8A9
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
NGK SIMR8A9 Spark Plug. Features superior construction for serious power and reliability, designed for a wide range of applications and riding styles. Versatile plugs feature wide operating heat ranges, preventing fouling from running too cool and preignition from running too hot. High-alumina ceramics improve heat dissipation and electrical insulation. Deep-seated copper core provides a wider heat range, ensuring consistent performance. Nickel alloy tip offers enhanced durability and longer life. Ultra-fine (0.6 mm) iridium center electrode reduces voltage requirements, producing a brighter and stronger spark. Traditional ground electrode for reliable performance. Sold individually with instructions included. Specifications: Part Number 37-SIMR8A9, NGK Reference Number 91064, Heat Range 8, Thread Size 10 mm, Thread Reach 19 mm (3/4"), Hex Spanner Size 5/8" (16 mm), Seal Type Gasket Seat, Terminal Type Solid/Fixed Terminal, Tip Configuration Projecting Insulator Type, Electrode Material Iridium Center Electrode, Nickel Alloy Tip, Type Resistor. Units sold each. Weight 0.05 lbs. Included items: one spark plug and instructions.
- SKU
- 37-SIMR8A9
- Brand
- NGK
- Availability
- In Stock (15)
Fitments (8)
| Make | Model | Year |
|---|---|---|
| HONDA | CRF L 250 | 2012 |
| HONDA | CRF L 250 | 2013 |
| HONDA | CRF L 250 | 2014 |
| HONDA | CRF L 250 | 2015 |
| HONDA | CRF L 250 | 2016 |
| HONDA | CRF L 250 | 2017 |
| HONDA | CRF L 250 | 2018 |
| HONDA | CRF L 250 | 2019 |
- General Product Group
- Ignition & Electrical Parts
- General Product Type
- Spark Plug
- Variant Id
- 235657
FULL DESCRIPTION
NGK Spark Plug SIMR8A9
Key Features:
- Superior construction designed for serious power and reliability.
- Wide operating heat ranges prevent fouling from running too cool and pre-ignition from running too hot.
- High-alumina ceramics enhance heat dissipation and electrical insulation.
- Deep-seated copper core provides a wider heat range for consistent performance.
- Nickel alloy tip offers enhanced durability and longer life.
- Ultra-fine (0.6 mm) iridium center electrode reduces voltage requirements for a brighter, stronger spark.
- Traditional ground electrode ensures reliable performance.
- Sold individually with instructions included.
Specifications:
- NGK Reference Number: 91064
- Heat Range: 8
- Thread Size: 10 mm
- Thread Reach: 19 mm (3/4 inch)
- Hex Spanner Size: 5/8 inch (16 mm)
- Seal Type: Gasket Seat
- Terminal Type: Solid/Fixed Terminal
- Tip Configuration: Projecting Insulator Type
- Electrode Material: Iridium Center Electrode, Nickel Alloy Tip
- Type: Resistor
- Weight: 0.05 lbs
Additional Information:
The NGK SIMR8A9 spark plug represents advanced spark plug technology, ensuring optimal ignition, durability, and performance. Its advanced iridium center electrode and traditional ground electrode design guarantee consistent, reliable performance, especially in high-demand environments.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.