6pcs spark plug: 3Pcs spark plug A7TC, Triple Electrode for GY6 50 Cc 70Cc 90 Cc 110Cc 125 Cc 150Cc & 3Pcs D8TC 3 Electrode Spark Plug, Racing Spark Plug: Dimensions: thread diameter 10MM; thread length 12.7MM & 76*19mmThis brand new High Performance Spark Plugs with High Performance Three Electrode Head,Special Material of electrode, long life and Strong Spark, Gives Spark Three Paths to Follow, Specifically Designed to Boost Performance Of the EngineReplaces: A7TC, NGK C7HSA,CR7HSA, Autolite 2795, Bosch UR3AS & Champion Z9Y.Fitment Horizontal Engine Series: 50cc,70cc,90cc,110cc,125cc dirt bikes ATVs 5. Fits for GY6 Engine Series with CVI Belt Transmission: All Chinese Made 50cc 139QMB, 125cc 150cc 154QMI 157QMJ Scooters, ATVs and Go-CartsExtra long life: Ordinary spark plugs use single claw ignition, while three-level spark plugs use three-claw ignition, high melting point, to better ensure the integrity of its electrode.Lifting power: Because the center electrode delivery end is three claws easy to gather more electricity, three claw points more easily breakdown spark space, to ensure that the gasoline engine has a good starting performance and acceleration performance.Reduce carbon deposition: Since the center electrode has three claws, it is easy to stabilize at the temperature range between self-cleaning combustion and heat accumulation combustion, thereby reducing carbon deposition.Save fuel: Because the center electrode is three-jaw, its heating center electrode consumes less heat, the fire nucleus is easy to spread, burns more fully, more saves the fuel oil.1. brand new spark plugs with high performance three electrode head.2. Adopt special electrode material, long life and provide strong spark.3. Gives spark three paths to follow, specially designed to increase engine performance.4. Improved fuel efficiency andreduce emissions.5. Mainly for Motorcycle Scooter ATV Quads CG6 125cc 150cc 200cc CF250 engine.High Performance Spark Plugs-- 3pcs brand new 3 Electrode Spark Plugs with high performance three electrode head, adopts special electrode material, can last for a long life and provide strong spark.High alumina ceramics for better heat transfer and electrical insulationcolor: redmaterial: metalDimensions: thread diameter 10MM; thread length 12.7MM & 76*19mmPackage Contents:6 * spark plugNote:Easy to install, but professional installation is highly recommended.Only the above package content, other products are not included.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.