BMX 110cc Engine Exhaust Valve - 20MM Chinese ATV Parts, BMX ATV Parts. This replacement Chinese ATV Part fits 110cc engines and 90cc engines in ATVs, Dirt Bikes, and Scooters. Important Note: Measures as follows; valve head is 20mm, valve length is 65mm, valve stem is 5mm. We use a digital caliper for measuring and sizes are + or - .5 - 1mm Enter the keyword (valve) in above search box for more BMX ATV Parts details. Chinese ATV Parts usually ship the same day for parts orders placed before 2pm. Order this part online or by phone Mon thru Fri, 9am-5pm central time. | 
