6427 NGK Spark Plugs Spark Plug OE Replacement
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6427 NGK Spark Plugs Spark Plug OE Replacement
The 6427 NGK Spark Plugs stand out as an exceptional choice for those seeking economical performance and enhanced ignitability. Approved by both original equipment manufacturers and racers, these spark plugs are designed to deliver superior quality and reliability.
Key Features:
- Improved Ignitability: Experience better starting and combustion efficiency, ensuring optimal engine performance.
- Durable Construction: Featuring trivalent metal plating for enhanced anti-corrosion and anti-seizing properties.
- Fuel Efficiency: Achieve increased fuel economy and lower emissions while maintaining engine power.
- Enhanced Anti-Fouling: Designed with a 45-degree V-Power center electrode that improves anti-fouling characteristics.
- Resistor Type: Equipped with a built-in resistor to reduce electrical interference.
- Standard Electrode: Manufactured with nickel electrode core and tip materials to ensure lasting performance.
Specifications:
- Thread Size: 14 Millimeter
- Wrench Diameter: 13/16 Inch Hex
- Insulator Type: Projected
- Quantity: Single
Compatibility:
The 6427 NGK Spark Plugs are compatible with a wide range of vehicles, including:
- 1967-1967 Alfa Romeo 2600
- 1975-1977 Alfa Romeo Alfetta
- 1981-1986 Alfa Romeo GTV-6
- Various Aston Martin models from 1958 to 1982
- Numerous Audi, BMW, Dodge, Fiat, Honda, Jaguar, and many more models spanning across several decades.
With a limited 60-day warranty, you can trust in the quality and performance of the 6427 NGK Spark Plugs for your vehicle. Upgrade today to experience the difference!
Shipping & Returns
Shipping & Returns
Shipping:
Most qualifying in-stock orders are processed within one business day. In the contiguous 48 states, eligible in-stock orders placed before 12:00 PM (noon) in the customer's local time zone typically ship the same business day. Orders shipping to Alaska or Hawaii use a 12:00 PM Pacific Time cutoff (California time). These cutoffs apply only to eligible in-stock orders and are not guaranteed shipping or delivery times. Same-day shipping refers to processing and carrier handoff, not delivery. Weekends and holidays are excluded.
Payment verification, address verification, fraud review, and inventory availability may take longer. Supplier-direct fulfillment, freight shipping, and special handling may also take longer.
Returns:
Eligible products may be returned within 60 days of delivery, subject to our Return Policy. Return authorization is required. Certain products are final sale or subject to manufacturer warranty procedures, shipping charges, and applicable restocking fees.
Please inspect your order promptly upon delivery. Shipping damage, incorrect items, missing components, or quantity shortages must be reported within 3 business days after delivery. Retain the product, original packaging, shipping labels, and photographs while your claim is reviewed.

