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RCMK CR290F Top End Kit
RCMK CR290 air-cooled 36 mm cyl kit.
RCMK CR290 air-cooled 36 mm cyl kit.The powerhouse of the marine world now available for cars!
This kits comes with everything you see in the picture. This is a direct bolt on for 4 bolt Zenoah/CY crankcases. The piston skirt is .040 longer so you can install a 1 or 2mm stroker crank without free port on the intake. This is a totally new cylinder design achieving a claimed 6.5 hp and monster torque. Complete engines also available.
NOTE: RCMK or CY small end bearing (gudgeon pin) required for fitting to Zenoah!