Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

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E3 DiamondFIRE Racing Spark Plugs

4.38 out of 5 stars 29 Customer Reviews

Designed specifically for conditions at the track, E3 DiamondFIRE racing spark plugs combine a maximized spark presentation and optimized flame propagation. The unique patented DiamondFIRE electrode configuration of these new E3 spark plugs increases the amount of combustion pressure created during each power stroke of an engine. Round after round, lap after lap, the E3 DiamondFIRE racing spark plugs provide you the consistency you need for winning performance.

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Spark Plug, Racing Spark Plug for Nitromethane Fueled Engines, 14mm Thread, 0.750 in. Reach, 13/16 Hex, Gasket Seat, Each

Part Number: ETP-E3-116

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