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1971 Austin America Spark Plug 4 Cyl 1.3L NGK

4.5 on 37 ratings
  • Features:
    • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
    • IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
    • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
    • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
    • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
    • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
This Part Fits the Following OEM/Substitute Numbers:
1765184, 1UN1-18-110, 247, 248, 3045, 3065, 3116, 3291, 4216, 4225, 4310, 4477, 4506, 4510, 4709, 5306, 5502, 6637, 8012, 90793-20117, 90793-20168, 99000-79K60-P6R, 999-06910-X9-027, BY480-BPR6E, F6RTI, F6RTP, IW20, IW20TT, MZ602071, N10PY, N8GY, P20PR-S11, RN10GY, RN79PYP17, RN79PYP25, RN9GY, VW20T, W20EP-GU, W20EP-ZU, W20EPR-ZU, W20EX-ZU, W20EXR-ZU, W6DP, W6DP0, W7DP, WGR7DDP, WGR7DQI, WGR8DQI, WR6DP, WR6DS, WR7DDC4, WR7DP, WR7DS, XP63, XP63DP2, XP64, XP64DP2, XS63, XS63DP

Additional Fitment Information:
Vehicle Block CC Engine CID
1971 Austin America L 1275 4 Cyl 1.3L 78
Brand NGK
Part # 6637
Condition New
NGK

America NGK Spark Plug 6637 1971 Austin
  • NGK Iridium IX Spark Plug
  • Gap 0.025"
  • Iridium IX Spark Plug
    • NGK is a world leader in original equipment and aftermarket spark plugs and oxygen sensors. When it comes to spark plugs, NGK is the World Leader. Makers of spark plugs for virtually every automotive, motorcycle, marine and small engine application, NGK dominates.
    NGK Spark Plugs: When you require the best, count on The World Leader in spark plug technology NGK Spark Plugs. We offer the highest quality products for virtually every vehicle application. Count on NGK Spark Plugs to deliver the finest quality products and customer service. NTK Oxygen Sensors is the world's largest supplier and manufacturer of original equipment oxygen sensors. NTK Oxygen Sensors brings our expertise and innovation to the aftermarket providing oxygen sensors with superior fit, form and function. When you require the best, count on NTK Oxygen Sensors to deliver. Each NTK Oxygen Sensor is extensively tested during manufacture to guarantee quality and reliability, are supplied with a factory-fitted OEM Connector for easy installation, and is precision manufactured with a sensing element incorporating NTK's premier technical ceramics.

    General

    Center Electrode Design
    Fine Wire
    Center Electrode Insulator Tip Projection
    • 0.14
    • 3.5
    Washer Included
    Yes
    Electrical Terminal Type
    Removable Nut
    Grade Type
    Performance
    Service Number
    Bpr6eix
    Washer Type
    Crush
    Ground Electrode Tip Material
    Nickel
    Short Style Spark Plug
    No
    Skirt
    No
    Center Electrode Core Material
    Copper
    Part Number
    Bpr6eix
    Resistor Type
    Yes
    Stock Number
    6637
    Ground Electrode Tip Design
    Taper Cut
    Pre-Gap Size
    • .032
    • 0.8
    Ground Electrode Core Material
    Nickel
    Material Grade
    Iridium
    Center Electrode Projection
    Mid Projection
    Seat Type
    Flat
    Ground Electrode Quantity
    1
    Insulator Material
    Ceramic
    Hex Size
    13/16"
    Reach
    • 0.750
    • 19.0
    Center Electrode Tip Material
    Iridium
    Skirt Length
    0.0
    Manufacturer Heat Range
    6
    Ground Configuration
    J-gap
    Resistance
    5000.0
    Insulator Height
    • 2.20
    • 56.0
    Thread Diameter
    • 0.551
    • 14.0
    Information on technical characteristics, the delivery set, the country of manufacture and the appearance of the goods is for reference only and is based on the latest information available at the time of publication.

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