Center Electrode Core Material Copper
Electrical Terminal Type Stud
Center Electrode Tip Material Platinum
Center Electrode Design Standard / Regular
Ground Electrode Core Material Nickel
Ground Electrode Configuration Single
Ground Electrode Design Tapered
Ground Electrode Tip Material Nickel
Insulator Material Ceramic
Insulator Type Mid
Reach (in) .431"
Resistance 4000
Gap (Factory Preset) .044" (1.1mm)
Thread Size 14mm X 1.25
Drive Size 5/8" (16mm)
Seat Style Tapered
Resistor Resistor
Alternate/OEM Part Number(s): AP25DP2


AVANTI 1972-1985
BRICKLIN 1975-1976
BUICK 1967-1993
CHECKER 1971
CHEVROLET 1970-1998
DETOMASO 1971-1988
DODGE 1977-1981
FORD 1969-1997
GMC 1970-1998
HUMMER 1995-1996
LAFORZA 1990
LINCOLN 1973-1989
MERCURY 1969-1993
OLDSMOBILE 1993-1994
PLYMOUTH 1978-1981
PONTIAC 1970-1994