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

Bosch OE Fine Wire Double Iridium. All iridium plugs are NOT created equal. Give your customers the only one engineered for both high...

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

Bosch OE Fine Wire Platinum Spark Plugs deliver improved ignitability and fuel efficiency. The fine wire design with a platinum firing...

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

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

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

No-compromise, top of the line race spark plug for the most serious enthusiast. Spark Plug Iridium Racing

Manufactured to the strictest OE performance, durability and emissions standards. Spark Plug Double Platinum

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