Champion 684 - Racing™ Spark Plug
We cannot fulfill orders for this part at this time. Please check back later or request a stock notification to receive an email.
Sometimes we may have similar parts for sale, click the button below to see if anything matches.
CHAMPION part description
Product Description
Racing Plugs - Boxed - S57YC
Application Summary
Champion Race Plug
Features & Benefits
- Exceptional combustion and strength
- Ceramic insulator resists dielectric puncture
- Designed to withstand extreme operating temperatures and pressures
- Correct heat range is critical in maintaining peak performance throughout the race
Product Attributes
Ground Electrode Tip Design | J Gap |
Ground Electrode Core Material | Nickel Copper Alloy |
Electrical Terminal Type | Non-Removable Nut |
Center Electrode Tip Material | Nickel Copper Alloy |
Ground Electrode Quantity | 1 |
Hex Size | 0.625 IN |
Hex Size | 15.9 MM |
Insulator Height | 0.06 IN |
Manufacturer Heat Range | 57 |
Seat Type | Tapered |
Reach | 0.708 IN |
Thread Diameter | 0.551 IN |
Thread Diameter | 14 MM |
Resistor Type | No |
Classification | Champion Racing Plugs |
Plug Type | S57YC |
Title | Champion Racing Plugs- Boxed - S57YC |
Additional Information
Country of Origin (Primary) | MX |
Harmonized Tariff Code (Schedule B) | 8511100000 |
Harmonized Tariff Code (HTS) | 8511100000 |
Refurbished Part | N |
Remanufactured Part | N |
UPC | 00037551006366 |
Part Interchanges

Don't know your part number?
Take a photo and we'll identify it!