RM 63mm nikasil cylinder 2v or 4v 54mm spacing (choose one) for +8.2 crankshaftChoose One MADE IN TAIWAN BY SHENGEE. PROFESSIONIAL INSTALLATION HIGHLY RECOMMENDED. Check piston to valve clearance. Provide the necessary clearance by removing material from the piston.

You will need to use 67mm cylinder

WILL WOR FOR GY6 125CC 150CC 200CC EFI  TANK 200 CARBON ARMOR

KAO Free Flow Stainless Steel Exhaust system for the BWS Engine scooters or GY6 Engines that have the TTMRC 4 Valve Head

Ban-Jing variator with Rovira Motorcycle logo

Will not work with chump 200 efi since this does not have a oxygen sensor port

5 for 26mm

SHIPS USPS FIRST CLASS MAIL

100% Taiwan made

KAO Performance Clutch for the GY6 150cc engines with 2K springs installed

you can make new plugs or splice the wires together

weight 8g compare with the OEM that weight 17g

A9 camshaft perfect for exhaust or stock configuration