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Manufactured to the strictest OE performance, durability and emissions standards. Spark Plug Iridium Long-Life

Bosch conventional Nickel-Copper Spark Plugs are designed to deliver performance and value. Heavy-duty yttrium-enhanced nickel center...

Increased performance with World's smallest Iridium Center Eletrode (0.4mm). Spark Plug Iridium Power

Increased performance with World's smallest Iridium Center Eletrode (0.4mm). Spark Plug Iridium Power

U-Groove design provides better ignitability for increased engine efficiency. Spark Plug Standard

Manufactured to the strictest OE performance, durability and emissions standards. Spark Plug Iridium Long-Life

Bosch Iridium Spark Plugs are engineered to deliver both high performance and long life, representing the best of OE spark plug...

OEM specified special ground electrode configuration. Spark Plug Standard

Bosch Double Platinum Spark Plugs are engineered to deliver both performance and long life, representing the best of OE spark plug...

U-Groove design provides better ignitability for increased engine efficiency. Spark Plug Standard

U-Groove design provides better ignitability for increased engine efficiency. Spark Plug Standard Standard Spark Plug

Manufactured to the strictest OE performance, durability and emissions standards. Spark Plug Iridium Long-Life