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Product Information

Product Details
Part No. 7428
Warranty Details (5 YR REPLACEMENT IF DEFECTIVE)
The Double Platinum Power Spark Plug is engineered for drivers seeking enhanced performance and durability. Featuring Champion's exclusive Heat-Active alloy, this spark plug ensures optimal operating temperatures under all engine loads, delivering consistent and reliable performance. Its fine-wire platinum center electrode and platinum pad ground electrode provide exceptional wear resistance, ensuring a longer lifespan and sharper spark focus. The V-trimmed ground electrode design promotes precise ignitability, improving engine efficiency and power output. As a standard replacement grade, this spark plug is designed to meet or exceed OEM specifications, making it a dependable choice for maintaining your vehicle's peak performance. With a flat seat type and integrated resistor, it offers compatibility with a wide range of engines while reducing electromagnetic interference. Choose this premium spark plug for a perfect balance of power, durability, and value.

Product Features:
  • Double Platinum Power - Premium Spark Plug. More Powerful Performance.
  • Platinum center and ground electrode for greater wear resistance
  • Maintains stable operating temperature under all engine loads
  • Fine-wire center electrode for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Heat-Active alloy allows electrodes to reach optimal temperature
Specifications
Center Electrode Design:
Fine Wire

Center Electrode Tip Material:
Platinum

Electrical Terminal Type:
Non-Removable Nut

Gap Style:
Fine Wire J Gap

Grade Type:
Standard Replacement

Ground Electrode Core Material:
Platinum

Ground Electrode Quantity:
1

Ground Electrode Tip Design:
J Gap

Ground Electrode Tip Material:
Platinum

Hex Size:
0.551 in

Hex Type:
Bi-Hex

Indexed:
No

Insulator Height:
0.126 in

Manufacturer Heat Range:
5

Part Description:
Spark Plug

Pre-Gap Size:
0.032 in

Reach:
1.043 in

Resistor Type:
Yes

Seat Type:
Flat

Skirt:
No

Thread Diameter:
0.472 in

Washer Type:
Crush

Washer(s) Included:
Yes
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