ITEM NAME:Scooter GY6 50cc 150cc High Performance 3 Electrode Spark Plug Rep C7HA C7H G3Y3 Scooter GY6 50cc 150cc High Performance 3 Electrode Spark Plug Rep C7HA C7H G3Y3 S4N7 New high quality racing spark plugs with high performance Three electrode head, special electrode material, long life and strong spark, gives Spark Three paths to follow, specially designed to increase engine performance. Replace the following spark plug; NGK: C7HA, C7HSA, C5HA, C5HSA, C5HSB, CR5HS, CR5HSA, CR5HSB, C6HA, C6HSA, CR6HS, CR6HSA DENSO: U22FS-U, U16FS-U, U16FS-UB, U16FSR-UB, U20FS-U, U20FSR-U, U22FSR-U; CHAMPION: PZ7HS, Z10, Z12, Z8 Z9Y This spark plug is a high performance peformance electrode spark plug.; Mainly for 110cc 50cc 150cc 125cc engine. Budget: Thread Diameter - 10mm Hex Size - 5/8 '' Improved fuel efficiency Reduce Emissions Longer life More power Faster acceleration Package included: 1x Spark Plug Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.