Because we have started our webshop recently we don't have every part we offer in stock. Our promise is that we are doing our utmost best to get the parts to your doorstep as soon as we can!

AC Delco R45TS resistor spark plug, 14mm tapered seat, gasoline, each

Item number: R45TS

Delco Standard Spark Plugs are precisely engineered and manufactured to provide everyday reliability and efficient performance.


  • A copper-core center electrode that helps provide improved heat transfer to the tip, giving you the reliability you're looking for while improving its resistance to low-speed carbon fouling.
  • Hot-tip insulator heats fast and fires hot.
  • The nickel-chrome alloy on the ground electrode and center electrode sheathing resists wear from spark erosion and the corrosive environment of the combustion chamber.
  • Heat range 5. 


Buick          1968-1991 (most engines)
Cadillac       1993 (Chevrolet 350 engine)
Chevrolet    1970-1992 (6-cyl, small & big block mk. IV)
Chrysler      1978-1983 (inline 6-cylinder)
Dodge         1975-1987 (inline 6-cylinder)
Ford            1974-1985 (Modified, Windsor small & 385 big-block)
GMC            1971-1987 (6-cyl, small & big block mk. IV)
Jeep            1968-1971 (AMC & Buick V8)
Lincoln        1974-1985 (Modified, Windsor small & 385 big-block)
Mercury       1974-1985 (Modified, Windsor small & 385 big-block)
Oldsmobile   1970-1991 (inline 6-cyl, SBC, Oldsmobile V8)
Plymouth     1975-1983 (inline 6-cylinder)
Pontiac        1970-1991 (most engines)