Scooter GY6 50cc 150cc High Performance 3 Electrode Spark Plug Rep C7HA C7HSA Description: New high quality plugs Three races with high performance electrode Chief, Special electrode material, long life and strong spark, he gives Spark Three paths to follow, specially designed to increase engine performance. Improved fuel efficiency Reduce Emissions Longer life more power Faster acceleration Replace the following plug NGK: C7HA, C7HSA, C5HA, C5HSA, C5HSB, CR5HS, CR5HSA, CR5HSB, C6HA, C6HSA, CR6HS, CR6HSA DENSO: U22FS-U, U16FS-U, U16FS-UB-UB U16FSR, U20FS-U, U20FSR-U-U U22FSR CHAMPION: PZ7HS, Z10, Z12, Z8 Z9Y This spark plug electrode is a high peformance racing 3. Mainly for 50cc 110cc 125cc 150cc engine. Specification: Thread diameter - 10mm Hex Size - 5/8 '' Package included: 1 x Spark