Indexed spark plugs align the open end of the electrode toward the intake port.The hottest flame meets the new fuel charge for a performance gain, increases fuel mileage and plug life.This is a speed secret car racers have used for years.You simply mark the electrode side of the plug with a magic marker on the porcelain.You then shim the plugs with the washers to align the electrodes toward the intake ports.Fits 14mm threaded spark plugs.
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Part | Size | Diameter | Width | Height | Weight |
---|---|---|---|---|---|
Car Tire | 17" | 215 mm | 17" | 25" | 8 kg |
Alloy Wheel | 18" | 225 mm | 18" | 24" | 7.5 kg |
Brake Disc | 12" | 280 mm | 12" | 15" | 3 kg |
Exhaust Pipe | Standard | 200 mm | 150 mm | 40" | 5 kg |