Spark Plugs & Glow Plugs for 1985 Merkur XR4Ti
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Spark Plug
Motorcraft
SP-447-X
Original equipment specifications - same spark plugs that were installed when the engine left the assembly line. All Motorcraft spark...
Fits Your Vehicle
Spark Plug
Motorcraft
SP-439-AX
Original equipment specifications - same spark plugs that were installed when the engine left the assembly line. All Motorcraft spark...
Fits Your Vehicle
Spark Plug Standard
Denso
5032
U-Groove design provides better ignitability for increased engine efficiency. Spark Plug Standard Standard Spark Plug
Fits Your Vehicle
Spark Plug Iridium Long-Life
Denso
5087
Manufactured to the strictest OE performance, durability and emissions standards. Spark Plug Iridium Long-Life Iridium Spark Plug
Fits Your Vehicle
Double Platinum Power Spark Plug RS12PYPB5
Champion Race Plugs
7963
Champion® Double Platinum Power™ spark plugs deliver more powerful performance. Featuring exclusive Heat-Active™ alloy, platinum fine...
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Copper Plus Spark Plug RS12YC
Champion Race Plugs
401
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control...
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Spark Plug Platinum TT
Denso
4512
Twin-Tip design enables faster flame propagation for more complete combustion. Spark Plug Platinum TT Platinum Spark Plug
Fits Your Vehicle
Spark Plug Iridium TT
Denso
4714
Durability of an OE style plug combined with Power & Torque of high performance. Spark Plug Iridium TT Iridium Spark Plug
Fits Your Vehicle
Platinum Power Spark Plug RS10PYC4
Champion Race Plugs
3401
Champion® Platinum Power™ spark plugs deliver powerful performance. Made from exclusive Heat-Active™ alloy, a fine-wire center electrode...
Fits Your Vehicle
Champion Iridium Spark Plug RS12WYPB4
Champion Race Plugs
9204
Champion® Iridium - the ultimate element. This spark plug's fine-wire iridium center and platinum ground electrodes provide the sharpest...
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Spark Plug Iridium Power
Denso
5326
Increased performance with World's smallest Iridium Center Eletrode (0.4mm). Spark Plug Iridium Power Iridium Spark Plug
Fits Your Vehicle
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