Race Spark Plug 14mm
.708" Reach Gasket Seat, J-Gap Non Projected Nose

Spark Plug Specifications

• Plug Type: RS57C
• Seat Type: Tapered
• Hex Size (Inch): 0.625
• Hex Size (MM): 15.880
• Thread Size (Inch): 0.551
• Thread Size (MM): 14.000
• Thread Reach (Inch): 0.689
• Taper Diameter (Inch): 0.25
• Installed Height (Inch): 2.07
• Insulator Projection (Inch): N/A
• Gap Style: J Gap
• Gap (Inch): 0.023-0.028
• Gap (MM): 0.58-0.71
• Center Electrdoe Diameter (Inch): 0.1
• Center Electrode Material: Nickel Copper Alloy
• Ground Electrode Material: Nickel Copper Alloy
• Ground Electrode Quantity: 1
• Classification: Champion Racing Plugs
• Resistor plug: No
• Resistor Type: N/A
• Manufature Heat Range: 57
• Electrical Terminal Type: Non-Removable Nut