NGK Spark Plug - #6597/04 — Harley-Davidson & Indian Motorcycle Electra Glide (1980-2003)

NGK spark plug #6597/04 (BPR5EIX) for V-twin motorcycles, including Harley-Davidson and Indian models. Genuine NGK construction ensures reliable ignition and consistent performance across a wide temperature range.

Features

• Genuine NGK construction
• Direct OEM replacement for V-twin applications
• Engineered for reliable cold start and consistent firing

Specifications

• Brand: NGK
• Manufacturer Part #: 6597
• Part Number: BPR5EIX
• UPC: 087295165973
• Weight: 0.1764 lbs
• Country of Origin: Japan

Fitment

Fits V-twin motorcycles, including Harley-Davidson and Indian Motorcycle models. Cross-reference with your owner's manual or parts diagram to confirm fitment before ordering.

Frequently Asked Questions

What motorcycles does this plug fit?

V-twin motorcycles including Harley-Davidson and Indian. Always verify your bike's exact plug requirement in the owner's manual before installation.

Is this a genuine NGK part?

Yes — this is genuine NGK manufacturing, not an aftermarket alternative.

How often should I replace spark plugs?

NGK plugs typically last 10,000–15,000 miles depending on riding conditions and engine tune. Check your owner's manual for your bike's service interval.

Can I use a different NGK part number instead?

No — always use the exact part number specified for your motorcycle to ensure proper fit and performance.