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Please make sure the cylinder head valve length before you place the order.

• Assembly with both intake and exhaust rocker arms.

• 50mm [2"] between holes center-to-center

• QMB 139 motors

This listing includes one brand new 50cc rocker arms assy for 4 stroke GY6 139QMB/139QMA engines. These engines can be found on many power sports such as scooters, mopeds, ATV's, go karts, buggies, dirt bikes, and more!

You can find this parts on many models such as: Blade, Kinroad, Twister Hammerhead, Carter Talon, Dazon, Roketa, DUNE, Baja kart, Kasea, KPX, SUNL, Aimex, Alpha sports, Avanti, Bam X, Baotian, Bashan, BMS, BMX, Boreem, Eagle, CF Moto, Cross Runner, Cool Sports, Diamo, E Ton, Eagle, Fushin, Fly, GMI, Hensim, Hi-bird, Baja, Ice Bear, Jackel, Jet Moto, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, Keeway, KMD, Kymco, Lance, Lifan, Linhai, Loncin, Longbo, Fuxin, Maxtrade, MDI, Meitien, Motofino, Motorino, NST, Panterra, Panther,Qlink Yiben, Red Streak, Redcat, Roketa, Schwinn, Seaseng, Strada, SYM, Tank, Terminator, Tomberlin, TNG, United Motors, Vento, Verucci, Wildfire, X-Treme, Yamati, ZNEN, and Zongshen and etc.

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