NGK Spark Plug #4663/04 (CR7EB) - Harley & Indian V-Twin
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.
Power your V-twin with the reliable ignition of an NGK CR7EB spark plug, part number #4663/04. This genuine OEM-equivalent replacement ensures consistent firing for Harley-Davidson and Indian Motorcycle engines, keeping your ride performing its best.
Why riders pick this
- Genuine NGK CR7EB for reliable ignition
- OEM-equivalent performance for V-twins
- Ensures consistent spark and efficient combustion
- Durable construction for long-lasting use
The NGK CR7EB spark plug, designated #4663/04, is engineered to provide the consistent, powerful spark necessary for optimal combustion in your Harley-Davidson or Indian V-twin. As a trusted OEM-equivalent replacement, it delivers the dependable performance riders expect from NGK, ensuring smooth starts and efficient engine operation.
Dependable Ignition for Your V-Twin
- Genuine NGK CR7EB spark plug for consistent performance
- Meets OEM-equivalent standards for V-twin engines
- Helps ensure efficient fuel combustion and reduced misfires
- Trusted by riders for reliable ignition components
Keep Your Engine Running Strong
A fresh set of NGK spark plugs is a simple yet effective way to maintain the health and performance of your V-twin engine. The #4663/04 CR7EB is designed for longevity and consistent output, making it an excellent choice for routine maintenance. Always cross-reference with your bike's manual to confirm proper fitment and heat range for your specific model.
Specifications
- Brand: NGK
- Manufacturer Part #: 4663
- UPC: 087295146637
- Length: 2.9 in
- Width: 0.9 in
- Height: 0.6 in
- Weight: 0.05 lbs
- Country of Origin: Japan
Common questions
Will this NGK CR7EB spark plug fit my Harley-Davidson or Indian Motorcycle?
This NGK spark plug is suitable for many V-twin applications in Harley-Davidson and Indian models. Always confirm the part number #4663/04 (CR7EB) against your motorcycle's owner's manual to ensure correct fitment and heat range.
Do I need to adjust the gap on these spark plugs?
While NGK spark plugs are often factory-gapped, it's always recommended to verify and adjust the gap to your motorcycle manufacturer's specifications before installation for optimal performance and engine longevity.
Is this a genuine NGK spark plug?
Yes, this is a genuine NGK manufactured spark plug, providing the quality, reliability, and performance that riders trust from the NGK brand.
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-CR7EB |
| WEIGHT | 0.05 lb |
