Denso Denso Iridium Power Spark Plug TWO STEPS COLDER Subaru WRX 2006-2014 / WRX STI 2004-2014 MSRP: $19.48 Was: SALE PRICE: $13.59 Add to Cart
Denso Denso Iridium Power Spark Plug ONE STEP COLDER Subaru WRX 2006-2014 / WRX STI 2004-2014 MSRP: $19.48 Was: SALE PRICE: $11.29 Add to Cart
Denso Denso Iridium Power Spark Plug STOCK HEAT RANGE Subaru WRX 2006-2014 / WRX STI 2004-2014 MSRP: $19.48 Was: SALE PRICE: $11.29 Add to Cart
Denso Denso Iridium Power Spark Plug TWO STEPS COLDER Subaru WRX 2002-2005 MSRP: $19.48 Was: SALE PRICE: $11.29 Add to Cart
Denso Denso Iridium Power Spark Plug ONE STEP COLDER Subaru WRX 2002-2005 MSRP: $19.48 Was: SALE PRICE: $7.93 Add to Cart
Denso Denso Iridium Power Spark Plug STOCK HEAT RANGE Subaru WRX 2002-2005 MSRP: $19.48 Was: SALE PRICE: $10.37 Add to Cart
Denso Denso Iridium Power Spark Plug TWO STEPS COLDER Subaru WRX 2006-2014 / WRX STI 2004-2014 To increase ignitability, the important point is to let the flame kernel caused by the spark to grow to a large size. Normally, this can be accomplishing by widening the spark gap, however this... MSRP: $19.48 Was: SALE PRICE: $13.59 Add to Cart
Denso Denso Iridium Power Spark Plug ONE STEP COLDER Subaru WRX 2006-2014 / WRX STI 2004-2014 To increase ignitability, the important point is to let the flame kernel caused by the spark to grow to a large size. Normally, this can be accomplishing by widening the spark gap, however this... MSRP: $19.48 Was: SALE PRICE: $11.29 Add to Cart
Denso Denso Iridium Power Spark Plug STOCK HEAT RANGE Subaru WRX 2006-2014 / WRX STI 2004-2014 To increase ignitability, the important point is to let the flame kernel caused by the spark to grow to a large size. Normally, this can be accomplishing by widening the spark gap, however this... MSRP: $19.48 Was: SALE PRICE: $11.29 Add to Cart
Denso Denso Iridium Power Spark Plug TWO STEPS COLDER Subaru WRX 2002-2005 To increase ignitability, the important point is to let the flame kernel caused by the spark to grow to a large size. Normally, this can be accomplishing by widening the spark gap, however this... MSRP: $19.48 Was: SALE PRICE: $11.29 Add to Cart
Denso Denso Iridium Power Spark Plug ONE STEP COLDER Subaru WRX 2002-2005 To increase ignitability, the important point is to let the flame kernel caused by the spark to grow to a large size. Normally, this can be accomplishing by widening the spark gap, however this... MSRP: $19.48 Was: SALE PRICE: $7.93 Add to Cart
Denso Denso Iridium Power Spark Plug STOCK HEAT RANGE Subaru WRX 2002-2005 To increase ignitability, the important point is to let the flame kernel caused by the spark to grow to a large size. Normally, this can be accomplishing by widening the spark gap, however this... MSRP: $19.48 Was: SALE PRICE: $10.37 Add to Cart
Denso Denso Iridium Power Spark Plug ITV24 Denso's patented U-Groove technology gives the flame a groove to grow in inside the electrode where as a standard flat electrode crushes and prevents the flame from growing. This allows for more... MSRP: Was: SALE PRICE: $9.95 Add to Cart
Denso Denso Iridium Power Spark Plug ITV20 Denso's patented U-Groove technology gives the flame a groove to grow in inside the electrode where as a standard flat electrode crushes and prevents the flame from growing. This allows for more... MSRP: Was: SALE PRICE: $7.93 Add to Cart
Denso Denso Iridium Power Spark Plug ITV22 Denso's patented U-Groove technology gives the flame a groove to grow in inside the electrode where as a standard flat electrode crushes and prevents the flame from growing. This allows for more... MSRP: $9.98 Was: SALE PRICE: $9.95 Add to Cart