Banshee 421 Serval Cylinder Cub Big Bore Complete Top End Upgrade Kit Domes ACE570 WORKS ON ALL YAMAHA BANSHEE

WORKS ON ALL YAMAHA BANSHEE MODELS AND YEARS - BUYING A STANDARD SHIFT SHAFT INSTEAD OF THIS IS CRAZY

FITS ALL YAMAHA YFZ450 FI MODELS AND YEARS

Hi-flow redesigned billet impeller with larger fins than OEM for superior cooling

12151-31G00

Banshee 421 Serval Cylinder Cub Big Bore Complete Top End Upgrade Kit Domes ACE570 WORKS ON ALL YAMAHA BANSHEEFITS ALL YAMAHA BANSHEE MODELS AND YEARS!! ADD UP TO 80hp OF CUB POWER! NEW CPI 421cc 68mm x 58mm CPI Serval cylinder Wiseco 573M06800 forged pistons Wiseco hi temp piston rings DLC coated pins Circlips . 020" one piece Cub base gasket CNC stud extenders ARP 12 pt base nuts Water jacket plugs 24cc Cool Head big bore billet domes Cool head oring kit Wrist pin bearings WE ARE THE LARGEST DISTRIBUTOR OF CPI CHEETAH CUB CYLINDERS ONLINE! CONTACT US FOR