CV Performance
Improving the Performance of your Harley Motorcycle

Autolite Spark Plug 4265

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Retail: $5.25
Price: $3.25
You Save: $2.00 (38.1%)
Availability: Out of Stock

    AutoliteĀ® 4265 Copper Core Spark Plug. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration for your Evo Big Twin or Shovelhead.

    Out of stock - Suggested: NGK 7634 or Champion RN12YC 5R6A

    • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
    • Multi-rib insulator reduces danger of "flash-over"
    • One-piece terminal post adds strength
    • Resistor reduces radio frequency interference (RFI) and electrode erosion
    • Cold-formed steel shell precision rolled threads
    • Full copper core electrode provides better performance in all conditions

    Spark plugs sold each.


    • 1200cc Shovelhead 1975/Later with points (.025 Gap). Replaces HD Code 5A6A & Replaces HD# 32312-78A
    • 1340cc Shovelhead Late 1977/1981 with electronic ignition & Evolution 1984/Later with electronic ignition (0.40 Gap). Replaces HD Code 5R6A & Replaces HD# 32311-83

    Note that appearance of all products are subject to change. 
    As a manufacturer and supplier we are unable to provide repair or service advice. Please consult a factory service manual or a qualified motorcycle technician when working on your motorcycle.