Top Electrode Core Reviews

Autolite APP5325-4PK Double Platinum Spark Plug Pack of 4

Full platinum tips ensure virtually no gap erosion.
Works to optimize engine performance for a longer life and improved fuel economy.
Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration.
High nickel alloy side electrode maintains precise gap.
Full copper core electrode provides better performance in all conditions.

Autolite APP5683-4PK Double Platinum Spark Plug, Pack of 4

Full platinum tips ensure virtually no gap erosion.
Works to optimize engine performance for a longer life and improved fuel economy.
Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration.
High nickel alloy side electrode maintains precise gap.
Full copper core electrode provides better performance in all conditions.

Autolite 63 Copper Resistor Spark Plug, Pack of 1

Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof.
Cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength.
Multi-rib insulator reduces danger of “flash-over”.
Resistor reduces radio frequency interference (RFI) and electrode erosion.
Full copper core electrode provides better performance in all conditions.

Autolite APP3923-4PK Double Platinum Spark Plug, Pack of 4

Full platinum tips ensure virtually no gap erosion.
Works to optimize engine performance for a longer life and improved fuel economy.
Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration.
High nickel alloy side electrode maintains precise gap.
Full copper core electrode provides better performance in all conditions.

Autolite APP5263-4PK Double Platinum Spark Plug, Pack of 4

Full platinum tips ensure virtually no gap erosion.
Works to optimize engine performance for a longer life and improved fuel economy.
Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration.
High nickel alloy side electrode maintains precise gap.
Full copper core electrode provides better performance in all conditions.

Autolite APP45-4PK Double Platinum Spark Plug, Pack of 4

Full platinum tips ensure virtually no gap erosion.
Works to optimize engine performance for a longer life and improved fuel economy.
Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration.
High nickel alloy side electrode maintains precise gap.
Full copper core electrode provides better performance in all conditions.

Autolite Platinum AP5263 Automotive Replacement Spark Plugs 4 Pack

Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof.
Cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength.
Multi-rib insulator reduces danger of "flash-over".
Resistor reduces radio frequency interference (RFI) and electrode erosion.
Full copper core electrode provides better performance in all conditions.

Autolite 4265-4PK Copper Resistor Spark Plug, 4 Pack

Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof.
Cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength.
Multi-rib insulator reduces danger of "flash-over".
Resistor reduces radio frequency interference (RFI) and electrode erosion.
Full copper core electrode provides better performance in all conditions.

Autolite 5224-4PK Copper Resistor Spark Plug Pack of 4

Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof.
Cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength.
Multi-rib insulator reduces danger of "flash-over.
Resistor reduces radio frequency interference RFI and electrode erosion.
Full copper core electrode provides better performance in all conditions.

Autolite 5325-4PK Copper Resistor Spark Plug, Pack of 4

Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof.
Cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength.
Multi-rib insulator reduces danger of "flash-over".
Resistor reduces radio frequency interference (RFI) and electrode erosion.
Full copper core electrode provides better performance in all conditions.

Autolite 4063-4PK Copper Resistor Spark Plug, Pack of 4

Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof.
Cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength.
Multi-rib insulator reduces danger of "flash-over".
Resistor reduces radio frequency interference (RFI) and electrode erosion.
Full copper core electrode provides better performance in all conditions.

Autolite 65-4PK Copper Resistor Spark Plug, Pack of 4

Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof.
Cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength.
Multi-rib insulator reduces danger of "flash-over".
Resistor reduces radio frequency interference (RFI) and electrode erosion.
Full copper core electrode provides better performance in all conditions.

Autolite 4093-4PK Copper Non-Resistor Spark Plug, 4 Pack

copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof.
cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength.
"multi-rib insulator reduces danger of ""flash-over""".
resistor reduces radio frequency interference (rfi) and electrode erosion.
full copper core electrode provides better performance in all conditions.