| Kitaco SE-Pro 124cc Version Up Kit for CRF50 CRF70 Monkey Gorilla and others. After years of domination with the Ultra SE head, Kitaco has now completely redeveloped it with larger valves, straighter ports, larger combustion chamber, new auto decompression camshafts, and even stronger valve train. Features include: 29mm intake valve, 24.5 exhaustreshaped intake and exhaust ports2mm larger combustion chamberauto decompression, nitride coated camshaftstepped valve diameter to lighten reciprocating mass while maintaining strength and durabilityL shape, flex type piston rings 
 124cc Version Up Kits include new SE-Pro head, 54mm piston kit and top end gasket set for owners with existing 124cc SE kits or 124cc Kitaco factory engines. 
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