SuperRat Iron Sleeve Cylinder Kit for 70cc Engine

Grubee Inc


The new IRON SLEEVE cylinder Kit for StarFire SuperRat 70cc 47x40 engines. 

  • Fit's 47x40 bore & stroke engines with low pin piston.  

  • Will not fit any 47x40 engine with high pin piston.

  • To know piston difference go to the info. side of

Why is an Iron Piston Sleeve important?  

1.  Avoids poor quality chrome coating found in Chinese cylinders.                  2.  Gives long life wear enhancement,

This kit includes. 

  1. Cylinder with iron sleeve. 

  2. Low pin Piston with wrist pin, needle bearing and clips.

  3. Head.

  4. 4 gaskets; head, bottom, exhaust & intake

  5. 4 head bolts

  6. 40mm Boss intake