Note: Spark Plug, Racing Spark Plug, R5674-6, Without Resistor, Copper, Nickel With V-Groove, Racing, Single, 14 Millimeter Thread, 11 Millimeter Reach, 5/8 Inch Hex, Heat Range 6, 0.031 Inch Gap, Tapered Seat
Key Features
- NGK Racing Spark Plugs Often Come With Specially Designed Ground Electrodes
 - Most Extreme Form Of These Plugs Come With A Ring-Shaped Ground Electrode
 - Spark Jumps From The Middle Electrode To The Ring-Shaped Ground Electrode
 - Easy To Install
 - No Supplier Warranty
 
Technical Details
- Resistor:  No
 - Electrode Type:  V-Groove
 - Electrode Core Material:  Copper
 - Electrode Tip Material:  Nickel
 - Insulator Type:  Projected
 - Thread Size IN:  0.551 Inch
 - Quantity:  Single
 - Reach:  0.433 Inch
 - Seat Type:  Tapered
 - Wrench Diameter:  5/8 Inch