Feature(may vary by option.)

●【Suitable for Rieju models】This cylinder head is specially customized for 50cc models such as RRX, SM, RS1, RS2, RS3, SMX, Spike, Tango, Motard, Trail, etc. to ensure a perfect match with these models.
●【47mm and 49mm bore options】Two bore options are provided, 47mm and 49mm, which are suitable for racing cars with different displacements to meet different performance requirements.
●【High Performance Boost】Designed for 70cc and 90cc racing applications to enhance engine performance, increase power output and speed, and provide racers with better track performance.
●【manufacturing】Made of durable materials to ensure reliable performance under high load and high-speed operation and extend service life.
●【2-stroke engine】Suitable for the 2-stroke engine of the Minarelli AM6 series, ensuring seamless matching with the engine and improving the overall efficiency and performance of the engine.

[70cc 47mm]

Description

Tips:
1. Please confirm the parts will be fit on your scooter/motorcycle before you place the order.
2. If you dont know whether the parts will fit or not, Please send us the photo of your motorcycle or engine by Message.
3. Some Modified Spare Parts is a small change on your original motorcycle or engine.