ACCEL 578C2-4 HP Copper Spark Plug - 14mm Thread Size with Copper Core
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- 0.95 (in)
- 1.00 (in)
- 3.50 (in)
Spark Plug HP Copper Spark Plug
HP Copper Spark Plug; 2 Heat Ranges Colder Than Stock; 0.026 in. Gap; 5/8 in. Hex Size; 1 in. Reach; Resistor; Tapered Seat Type; 1.25mm Thread Pitch; 14mm Thread Size; 4 Pack;
- Assembly Method: Tapered
- Gap Size: 0.030 in.
- Hex Size: 0.625 in.
- Package Quantity: 4
- Projected Tip: Yes
- Reach: 1.000 in.
- Resistor: Yes
- Seat Type: Tapered
- Thread Pitch: 1.25mm
- Thread Size: 14mm
- Torque Capacity: 7.2 ft/lbs. - 14.5 ft/lbs.
- WARNING CA Proposition 65: No
- Copper Core Is A Better Conductor Than Iridium Or Platinum Plugs
- Copper Dissipates Heat Much Better Than Other Materials
- C - Cut Design Un-shrouds The Spark Kernel For Better Burn
- Unlike Iridium Or Platinum Plugs - The HP Plugs Are Gapable
- Machined Rolled Threads For Precise Thread Engagement
- Two Steps Colder Than Stock
- Whether Using On Street/Strip The HP Copper Core Plugs Deliver!
ACCEL U-Groove performance spark plugs have a patented U-shaped ground electrode that produces a double wide, hotter spark to ignite standard or even the highest compression engines. The sintered alumina heavy-duty five rib insulator eliminates flashover and overheating that occurs with high performance and long range applications. ACCEL U-Groove spark plugs use the purest copper/nickel alloy electrode to produce a broad heat range that is highly foul resistant and dissipates heat better than any other material. Years of racing and street performance research has proven that ACCEL U-Groove spark plugs deliver the hottest spark and the highest performance of any spark plug available
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