- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
- Trivalent metal plating for superior anti-corrosion and anti-seizing properties
- Outstanding acceleration, high fuel efficiency and durability
- Fine iridium tip ensures durable and consistent spark
Designed for the performance enthusiast, the NGK Iridium BKR4EIX spark plugs deliver outstanding acceleration, high fuel efficiency, and exceptional durability. These plugs feature a tapered cut ground electrode that enhances starting, idle stability, and throttle response, making them ideal for modified or high-performance applications. The fine iridium center electrode is six times harder than platinum, providing superior longevity and consistent sparks under demanding conditions. The iridium alloy's high melting point ensures reliable operation across a wide range of engine temperatures, making these plugs suitable for a variety of high-performance vehicles.
Compatibility includes models such as the 1982-1988 Chevrolet Corvette, 1982 Mercury Cougar, and 1982-1986 Ford Thunderbird, among others. These spark plugs are recommended as an upgrade from OEM nickel alloy plugs or for engines tuned for increased performance. The trivalent metal plating offers excellent anti-corrosion and anti-seizing properties, ensuring long-term reliability and ease of installation.
Whether you're looking to improve acceleration, fuel economy, or engine responsiveness, NGK Iridium IX plugs provide a significant upgrade with their advanced design and durable materials. For even greater performance, consider upgrading to NGK Ruthenium HX plugs. These spark plugs are not subject to air freight restrictions, making them suitable for various shipping options. Invest in NGK's proven technology to maximize your vehicle's engine efficiency and responsiveness.
Features:
- Designed for high performance and modified engine applications
- Tapered cut ground electrode improves starting, idling, and throttle response
- Iridium fine wire center electrode offers six times the durability of platinum
- High melting point iridium alloy for reliable engine operation
- Trivalent metal plating provides superior anti-corrosion and anti-seize properties
- air_freight_prohibited:
- false
- not_carb_approved:
- false
- ltl_freight_required:
- false
- prop_65:
- Unknown
- part_type:
- automotive
- epa:
- N/A
- carb_acknowledgement_required:
- false
- regular_stock:
- false
- units_per_sku:
- 4
- Mod Category:
- Performance
- Mod Subcategory:
- Ignition
