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Spark Plugs

Copper non-resistor spark plug
Part # 4275 | Line Code: ATL
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Not Fitted / Universal

Product Details
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Seat Type Flat
Electrical Terminal Type Removable
Hex Size 13/16"
Reach 0.374
Gap Size 0.034
Ground Electrode Core Material Nickel
Ground Electrode Tip Design Nickel
Center Electrode Core Material Copper
Resistor Type Mid Projection
Ground Electrode Quantity 1
Insulator Material Ceramic
Thread Diameter 14
Center Electrode Tip Material Nickel
Resistance 1
Center Electrode Design Standard / Regular
Center Electrode Insulator Tip Projection Mid Projection
Part Terminology Spark Plug

Features & Benefits
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Autolite® Copper spark plugs deliver quick starts, good fuel economy and smooth acceleration.

Application Summary
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HOBART Generator Harley Davidson FL (1947-1964), Harley Davidson FLF (1953-1964), Harley Davidson FLFB (1965-1969), Harley Davidson FLH Electra Glide (1970-1974), Harley Davidson FLHB (1965-1969), Harley Davidson FLHF (1955-1964), Harley Davidson FLHF (1970-1972), Harley Davidson FLHFB (1965-1969), Harley Davidson FX Super Glide (1971-1974), Harley Davidson FXE Super Glide (1974)
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