Spark Plugs

$10.00
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Spark Plugs for Vanguard Engines. Kit includes 2 spark plugs. 

Motor HP Mods Plugs
37 Stock RC12YC / 491055T
37 Delta 3 NGK4
37 Delta 3.5 NGK6
     
40 Stock RC12YC / 491055T
40 Delta 3 NGK6
     
50 Stock NGK6

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