They Are Now Available To Restore Your Engine Pep And Performance. The New Bosch Super Plugs Feature An All New Copper Core Design That Operates Hotter At Slow Speeds And Colder At High Speeds To Better Prevent Pre-Ignition. Copper Plugs Resist Fouling And Produce Better Gas Mileage. They Feature A Pyranit Insulator, Nickel Plate Plug Shell, Rolled Threads, And A Heavy Duty Ground Electrode.

Bosch Super Spark Plugs
Standard Tip - 14Mm Short Reach

W7Ac - Recommended For T-1, 2 &Amp; 3 W/High Compression, Sustained High Speeds, Unleaded Fuel, And Fuel Injection. A Great Plug For Dual Carbs.
WR8Ac - Fits All T-1, 2, &Amp; 3 Applications Requiring Standard Heat Range.

Bosch Super Spark Plugs
Standard Tip - 14Mm Long Reach

W7Cc - Recommended For T-4 &Amp; 914 Porsche Engines With Higher Compression, Sustained High Speeds, Dual Carbs, Unleaded Fuel, And Fuel Injection.
W8Cc - Standard Heat Range Plug For All Stock T-4 &Amp; 914 Porsche

Platinum Bosch Racing Plugs - 14Mm Short Reach

W8Ap - The Ultimate Racing Plug For 1600Cc Based Engines Requiring Standard Reach Plugs. This Is The Hot One For Extended Rpm, Dual Carbs, High Compression, And Full Range Power.

* * * The W7Cc And The W8Cc Also Fit The Super Flo And Street Eliminator Haeds * * *