Superfire Racing M series plug
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Superfire Racing M series plug
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
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Stock heat range with a non-projected tip
Replace your pesky OEM ignition coil tiedown studs with these stainless steel bolts and red titanium ZSPEC washers!
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This product was last offered at the strikethrough price on
05-02-2026
Features a platinum center electrode which allows for an extended replacement interval
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Stock heat range with a projected tip
Always check gap on your new spark plugs
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Includes new coils and plugs to keep your engine running smoothly. Featuring NGK spark plugs.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!