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Spark Plugs

Here at Modern Day our spark plugs create a considerably hotter spark that lets the flame expand more rapidly in the combustion chamber and a more complete and efficient burn of the air/fuel mixture!
Mallory 29744 Mallory Wire Retainer, Comp 9000 - Original 81, 82, 83, 84, 86, 87 Series Distributors with 29745 large cap

Mallory 29744 Mallory Wire Retainer, Comp 9000 - Original 81, 82, 83, 84, 86, 87 Series Distributors with 29745 large cap
Mallory 29744 Mallory Wire Retainer, Comp 9000 - Modern Day Muffler

Mallory 29744 Mallory Wire Retainer, Comp 9000 - Original 81, 82, 83, 84, 86, 87 Series Distributors with 29745 large cap
Straight Universal Ceramic Booted Single Wire Replacement Kit - 170900C

Straight Universal Ceramic Booted Single Wire Replacement Kit - 170900C
HP Copper Spark Plug - 0576 - Modern Day Muffler

HP Copper Spark Plug - 0576
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Vintage - Ceramic Silver Spark Plug - 922727

Vintage - Ceramic Silver Spark Plug - 922727
HP Copper Spark Plug - Shorty - 8199

HP Copper Spark Plug - Shorty - 8199
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HP Copper Spark Plug - 8196

HP Copper Spark Plug - 8196
Accel Ford 1998-2008 2-Valve Tune Up Kit - 811732 - Modern Day Muffler

Accel Ford 1998-2008 2-Valve Tune Up Kit - 811732
Accel GM Gen 4 LS Tune-Up Kit - 819070 - Modern Day Muffler

Accel GM Gen 4 LS Tune-Up Kit - 819070
Accel Ford 2004-Early 2008 3-Valve Tune Up Kit - 811733 - Modern Day Muffler

Accel Ford 2004-Early 2008 3-Valve Tune Up Kit - 811733
Vintage - Ceramic Silver Spark Plug - 4318137 - Modern Day Muffler

Vintage - Ceramic Silver Spark Plug - 4318137
Iridium Spark Plug - Shorty - 37424 - Modern Day Muffler

Iridium Spark Plug - Shorty - 37424
Iridium Spark Plug - Shorty - 37414 - Modern Day Muffler

Iridium Spark Plug - Shorty - 37414
Iridium Spark Plug - 37444 - Modern Day Muffler

Iridium Spark Plug - 37444
Iridium Spark Plug - 3740 - Modern Day Muffler

Iridium Spark Plug - 3740
Iridium Spark Plug - 37394 - Modern Day Muffler

Iridium Spark Plug - 37394
Iridium Spark Plug - 37384 - Modern Day Muffler

Iridium Spark Plug - 37384
Iridium Spark Plug - 3737 - Modern Day Muffler

Iridium Spark Plug - 3737
Iridium Spark Plug - 37364 - Modern Day Muffler

Iridium Spark Plug - 37364
Iridium Spark Plug - 3730 - Modern Day Muffler

Iridium Spark Plug - 3730
Iridium Spark Plug - 37294 - Modern Day Muffler

Iridium Spark Plug - 37294
Iridium Spark Plug - 3729 - Modern Day Muffler

Iridium Spark Plug - 3729
Iridium Spark Plug - 37284 - Modern Day Muffler

Iridium Spark Plug - 37284
Iridium Spark Plug - 3733 - Modern Day Muffler

Iridium Spark Plug - 3733