NGK Spark Plug #6263/04 (CR9E) - Harley Touring & Softail
About NGK
NGK parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every NGK 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.
Maintain peak ignition performance on your Harley-Davidson Touring or Softail with the NGK #6263/04 (CR9E) spark plug. This genuine OEM-quality replacement delivers a reliable spark across a wide RPM range, essential for smooth V-twin operation.
Why riders pick this
- Genuine NGK CR9E for reliable ignition
- OEM-quality construction for V-twins
- Consistent spark across the RPM range
- Direct replacement for standard V-twin threads
The NGK #6263/04 (CR9E) spark plug is engineered to provide consistent and powerful ignition for your Harley-Davidson Touring, Softail, or other V-twin models. As a genuine OEM-quality replacement, it ensures efficient combustion, contributing to better throttle response and overall engine health, whether you're racking up miles or hitting the twisties.
Reliable Ignition for Every Ride
- Genuine NGK CR9E spark plug for dependable firing
- OEM-quality construction for V-twin engines
- Ensures consistent spark across a wide RPM range
- Trusted by Harley and Indian riders for ignition performance
Maintain Your V-Twin's Performance
Regular replacement of spark plugs is a critical aspect of V-twin maintenance. The NGK #6263/04 (CR9E) is designed to fit standard V-twin spark plug threads, making it a straightforward upgrade for many Harley-Davidson models. For optimal results, consult your owner's manual for specific replacement intervals and ensure proper gap settings upon installation.
Specifications
- Brand: NGK
- Manufacturer Part #: 6263
- UPC: 087295162637
- Length: 2.8 in
- Width: 0.8 in
- Height: 0.6 in
- Weight: 0.05 lbs
- Country of Origin: Japan
Common questions
Will this NGK #6263/04 (CR9E) spark plug fit my Harley-Davidson Touring or Softail?
Yes, this NGK spark plug is designed to fit many Harley-Davidson Touring and Softail models with standard V-twin spark plug threads. Always confirm the exact part number #6263/04 (CR9E) against your motorcycle's owner's manual to ensure correct fitment and heat range for your specific year and model.
Do I need to gap these NGK spark plugs before installing them?
While NGK spark plugs often come pre-gapped, it is always recommended to verify and adjust the gap according to your Harley-Davidson's service manual specifications before installation for optimal performance and engine longevity.
How often should I replace spark plugs on my Harley-Davidson?
Spark plug replacement intervals can vary, but generally, V-twin riders replace them every 10,000-15,000 miles or as recommended in your Harley-Davidson owner's manual to maintain peak engine health and performance.
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 | NGK |
| TYPE | Spark Plugs |
| SKU | 2-CR9E |
| WEIGHT | 0.05 lb |