Spark Plug Set (6pcs) - 5/8" Hex High Performance Twin Plug Engine Applications (IGN R 5672A 9)

NGK

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High Performance Spark Plugs with 5/8" hex for clearance - Used In Twin Plug Conversions With Standard Compression Ratio

Our preferred spark plug for twin plug applications. With a standard depth in combustion chamber

NGK - Sold as a set of 6 - 2 sets for twin plug application

Alternate Part Numbers: IGN R 5672A 9 / R.5672A.9 / R5672A9 / 7405

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