All Electrical Parts

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

Durability of an OE style plug combined with Power & Torque of high performance. Spark Plug Iridium TT

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

Twin-Tip design enables faster flame propagation for more complete combustion. Spark Plug Platinum TT

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

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

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...

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

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

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