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High performance spark plugs for Harley-Davidson Big Twin 1975-1999

High performance spark plugs for Harley-Davidson Big Twin 1975-1999

Usual price 10.95 €
Usual price Offer price 10.95 €
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  • Drag Specialties spark plugs with OEM heat range
  • Black ceramic body
  • The insulator is made of 95% pure alumina and has strong resistance to thermal shock and higher insulation
  • The design of multiple ribs from the insulator eliminates electric discharges, while the nickel -welled housing prevents oxidation and corrosion
  • Multicapa joints and thermal pressed process guarantee a hermetic and leak adjustment
  • The electrode with copper nucleus prevents oxidation and corrosion, has good electrical and thermal conductivity and creates a long useful life of the spark plug
  • They are sold in pairs in a comfortable blister
  • For models:
    • Shovelhead 1975-1984
    • Evolution Big Twin 1984-1999
  • Replaces OEM: 32367-04 5R6A 5RL 32342-04 32311-83
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