SP1 Double End Spark Plug Wrench - 14mm & 18mm - Harley & Indian V-Twin
About SP1
SP1 parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every SP1 item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.
The SP1 Double End Spark Plug Wrench is a versatile tool designed for V-twin motorcycle maintenance. With both 14mm and 18mm ends, it covers the most common spark plug sizes found on Harley-Davidson and Indian Motorcycles.
Why riders pick this
- Double-end design for 14mm and 18mm spark plugs
- Essential for V-twin spark plug maintenance
- Durable construction for long-lasting use
- Compact for easy storage and portability
Every V-twin owner knows the importance of regular spark plug maintenance for optimal engine performance. This SP1 wrench simplifies the task, providing the correct fitment for two common spark plug sizes in a single, compact tool. It's a fundamental piece of any rider's toolkit, ensuring you're ready for routine checks or roadside adjustments.
Essential Tool for V-Twin Spark Plug Service
- Convenient double-end design fits 14mm spark plugs
- Also compatible with larger 18mm spark plugs
- Durable construction for reliable use
- Compact size for easy storage on your bike or in your toolbox
Prepared for the Road Ahead
Don't get caught without the right tool for a spark plug change or inspection. This SP1 double end wrench is a practical choice for riders who perform their own maintenance. Its straightforward design ensures a secure grip on your spark plugs, making removal and installation smooth and preventing damage to the porcelain. Keep your V-twin running strong with this essential piece of gear.
Specifications
- Manufacturer Part #: 12-121
- UPC: 191361179280
- Length: 5 in
- Width: 1 in
- Height: 1 in
- Weight: 0.31 lbs
- Country of Origin: China (Taiwan)
Common questions
What spark plug sizes does this wrench fit?
This SP1 wrench is designed to fit spark plugs with either 14mm or 18mm threads, covering common sizes found on Harley-Davidson and Indian Motorcycle V-twins.
Is this wrench suitable for carrying on my motorcycle?
Yes, its compact and durable design makes it an excellent addition to your motorcycle's onboard tool kit for roadside adjustments or emergency spark plug service.
Will this tool work on all V-twin motorcycles?
This wrench is compatible with V-twin motorcycles that use 14mm or 18mm spark plugs. We recommend checking your specific model's spark plug size to confirm fitment.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | SP1 |
| TYPE | Tools |
| SKU | 11-1082 |
| WEIGHT | 0.31 lb |
