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NGK 2741 Spark Plug
Overview of NGK Racing Spark Plug 2741
The NGK Racing Spark Plug part number 2741 is engineered for high-performance ignition systems requiring precise spark delivery. Designed with durable materials and a specialized electrode configuration, this spark plug supports efficient combustion and reliable engine operation.
- Resistance: 5000 ohms for optimal electrical performance
- Pin type ground electrode tip with slant ground configuration
- Nickel ground electrode core and nickel center electrode tip
- Copper center electrode core for enhanced conductivity
- Pre-gap size of 0.032 inches for precise spark gap
- Flat seat type with 14mm thread diameter and 0.75 inch reach
- Hex size of 13/16 inch for standard installation tools
- Manufacturer heat range rating of 11 for high-heat tolerance
- Non-removable nut electrical terminal type
- Insulator height of 55.00 mm for proper fitment
Detailed Product Description
The NGK Racing Spark Plug 2741 is built to meet the demands of secondary ignition systems in performance vehicles. Its copper core center electrode improves thermal conductivity, while the nickel tip and ground electrode core provide durability under high temperatures. The pin type ground electrode tip combined with a slant ground configuration ensures consistent spark exposure to the combustion chamber, promoting efficient ignition. The flat seat design and 14mm thread diameter allow compatibility with a range of engines requiring this specification. With a pre-gap size of 0.032 inches and a heat range of 11, this spark plug is suited for applications where heat dissipation and spark timing are critical.
About the NGK Racing Spark Plug Line
The NGK Racing Spark Plug line is tailored for motorsport and high-performance applications, focusing on delivering reliable ignition under demanding conditions. This product line emphasizes materials and designs that withstand elevated temperatures and electrical loads, making the 2741 spark plug a suitable choice for racing and performance vehicles requiring consistent spark quality and durability.
Common Applications and Issues Addressed
- Improves ignition reliability in high-performance engines
- Reduces misfires caused by electrode wear or improper gap
- Enhances combustion efficiency for better throttle response
- Supports engines operating at higher temperatures and RPMs
- Addresses spark plug fouling in racing or aggressive driving conditions
Installation Notes and Tips
Ensure the spark plug gap is set to the specified 0.032 inches before installation. Use a 13/16 inch socket for proper torque application to avoid damage to the flat seat threads. The non-removable nut terminal requires compatible ignition wiring connectors. Verify compatibility with your vehicle’s make and model, especially for engines requiring a heat range of 11 and a 0.75 inch reach.
Quality Assurance
NGK spark plugs undergo rigorous testing to meet OEM standards for durability and performance. The Racing Spark Plug 2741 is manufactured with high-quality materials including copper and nickel electrodes to ensure consistent ignition and longevity. While specific warranty details are not provided, NGK products typically adhere to strict quality control protocols to support reliable operation in demanding environments.
| Brand | NGK |
| Part Number | 2741 |
| Resistance | 5000 |
| Ground Electrode Tip Design | Pin type |
| Ground Configuration | Slant |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | .032 |
| Ground Electrode Quantity | 1 |
| Hex Size | 13/16 |
| Insulator Height | 55.00 |
| Manufacturer Heat Range | 11 |
| Seat Type | Flat |
| Reach | .75 |
| Thread Diameter | 14.00 |
| Part Number | R6252k-105 |
| Stock Number | 2741 |
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* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.