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ACL-0276S-4 #1

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Accel HP Copper Spark Plug - Shorty 14mm Thread - .460 In Reach - Tapered Seat - Non-Resistor - 4 Pack

ACCEL  |  Part# ACL-0276S-4


AVAILABLE TO SHIP
OK INVENTORY: 4
MI INVENTORY: 45


Highlights:

  • Determine the thread diameter, length (reach) and whether tapered or gasket (flat) seat.• Select gap style.• Select heat range.• Adjust fuel mixture and spark advance timing for maximum performance.• Inspect plugs and pistons for evidence of detonation, abnormal combustion or excessive temperatures.• Stay with the same plug type after final heat range selection unless major modifications have been made (increasing the horsepower or operating range
  • Eliminates Dimpling Headers For Added Clearance
  • Improves Spark Plug Access To Fit Socket Or Wrench
  • Shorter Overall Plug Length Vs. OE Style Plug
  • Copper Core Center Electrode
  • Projected Tip
  • Helps Eliminate Burned Spark Plug Boots
  • Shorty Header Spark Plug

Spark Plug - Shorty - 14 MM Thread - 0.460 In Reach - Tapered Seat - NON-RESISTOR - Set Of 4

$30.70


 





A spark plug’s Heat Range, defined as the measure of how fast the tip of the plug dissipates combustion heat, can range from as low as 500°F to as high as 2,500°F. Manufacturers offer plugs in many heat ranges, from cold through medium hot, to very hot. It is impera-tive that the plug stay cool enough to prevent pre-ignition or electrode destruction, and still remain hot enough to burn off combustion deposits that form at the firing tip. A plug that is excessively cold or hot for the application in question will eventually cause the engine to misfire. When working with an engine that is stock or mildly modified, it is often best to use the plug recommended by the car manufac-turer. However, if the compression ratio has been altered, a different heat range plug may be required. Many racers rely upon their engine builder for plug heat range recommendations. If a racer is unsure of the correct heat range to use, it is always recommended to “stay on the safe side” and use a colder plug.