Accel U-Groove Spark Plugs for Harley-Davidson

HD 5R6A.
Standard heat range.
14mm thread, long reach.
Used with 21mm spark plug socket.
Note: For colder spark plugs and high-speed driving, see 518030.
2 units

Compatible with: > L78-E82 FL; L78-79 FX; 84-99 Evo BT