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Spark Plugs

High performance racing non-resistor spark plug
Part # AR51 | Line Code: AUT
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$6.89
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Not Fitted / Universal

Product Details
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Seat Type Flat
Resistor Type No
Hex Size 21
Reach 19.5
Ground Electrode Core Material Nickel
Ground Electrode Tip Design Nickel
Center Electrode Core Material Copper
Electrical Terminal Type Stud
Ground Electrode Quantity 1
Insulator Material Ceramic
Thread Diameter 14
Gap Size 0.025
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® Racing plugs are designed for performance and with a passion for racing. Autolite® Racing spark plugs power several professional drivers to victory.

Application Summary
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Alfa Romeo Duetto 1600 (1967), Alfa Romeo Giulia Sprint (1963-1964), Alfa Romeo Giulia Sprint (1967-1968), Alfa Romeo Giulietta (1959-1961), Ferrari 250 LM (1964-1965), Ferrari 275 GT (1968), Ferrari 275 GTB (1964-1968), Ferrari 275 GTS (1964-1968), Ferrari 275 LM (1964-1965), Ferrari 330 GT (1964-1968), Ferrari 330 GTC (1966-1968), Ferrari 330 GTS (1966-1968), Ferrari 365 GT (1967-1971), Ferrari 365 GT4 (1972-1976), Ferrari 365 GT4 BB (1974), Ferrari 365 GTB/4 (1968-1974), Ferrari 365 GTC (1968-1970), Ferrari 365 GTC/4 (1971-1972), Ferrari 365 GTS (1968-1970), Ferrari 365 GTS/4 (1970-1974), Ferrari 400 Superamerica (1960-1966), Fiat 124 (1970-1973), Fiat 125 (1961-1967), Fiat 1500 (1965-1967), Porsche 911 (1965), Porsche 911 (1982-1989), Porsche 911 (1991-1992), Porsche Carrera (1960-1964)
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