RUNFAST TM 2-STROKE 66CC/80CC 2-STROKE MOTORIZED BIKE PK-80 ENGINE SHORT ROD

Features: A MEGAPOWERED RUNFAST TM 2-STROKE 66CC/80CC 2-STROKE MOTORIZED BIKE PK-80 ENGINE for UPGRADING YOUR MOTORIZED BIKE!   WHY RUNFAST IS THE HIGHEST QUALITY MOTORIZED BIKE ENGINE IN THE WORLD? Heavier, stronger magnet rotor for more power!  Other cheap bike engines use weaker, less powerful magnet rotors.  Feel the difference! Thicker, stronger, longer, stronger magneto cable wires for improved power transfer and better reach.  Heavier, thicker cylinder bodies and crank case  for strength and durability! Heavy duty metal engine casing for added strength and durability Wider front mount for better bike fitting accommodations of all bikes  Front and rear mounting studs are rugged thick 8mm.  Cheap low quality kits use thin, brittle studs that break off. Enhanced universal motor mount clamp bracket for seamless bike tube front mounting.   High grade 8.8 standard for all bolting hardware.  The low quality cheap kits use 4.4 grade that strip threads easily.   Balanced,  heavy duty qua