NGK Spark Plug - #4663/04

NGK CR7EB spark plug for V-twin motorcycles, a genuine OEM-equivalent replacement distributed by Western Power Sports. Trusted by Harley-Davidson and Indian Motorcycle riders for reliable ignition performance.

Features

• Genuine NGK construction
• ILKR8Q7 can substitute for ILKR8Q
• BPR8ES can substitute for BPR8ES-S

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

Fitment

Fits V-twin motorcycles, including Harley-Davidson and Indian Motorcycle models.

Frequently Asked Questions

What bikes use this spark plug?

Fits most V-twin motorcycles, including Harley-Davidson and Indian models. Cross-reference your owner's manual or current plug to confirm exact compatibility.

Can I use ILKR8Q7 instead of ILKR8Q?

Yes — ILKR8Q7 is a direct substitute for ILKR8Q applications.

Is BPR8ES-S the same as BPR8ES?

BPR8ES can replace BPR8ES-S in most applications, though you should verify your bike's specifications before swapping.