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Banshee 421 Serval Cylinder Cub Big Bore Complete Top End Upgrade Kit Domes

$1,399.99

Compatible Vehicles
Submodel Year Make Model
YFZ350 2006 Yamaha Banshee 350
YFZ350SE Special Edition 2006 Yamaha Banshee 350
YFZ350SP 50th Anniversary Edition 2006 Yamaha Banshee 350
YFZ350 2005 Yamaha Banshee 350
YFZ350SE Special Edition 2005 Yamaha Banshee 350
YFZ350 2004 Yamaha Banshee 350
YFZ350LE Limited Edition 2004 Yamaha Banshee 350
YFZ350 2003 Yamaha Banshee 350
YFZ350 2002 Yamaha Banshee 350
YFZ350 2001 Yamaha Banshee 350
YFZ350 2000 Yamaha Banshee 350
YFZ350 1999 Yamaha Banshee 350
YFZ350 1998 Yamaha Banshee 350
YFZ350 1997 Yamaha Banshee 350
YFZ350 1996 Yamaha Banshee 350
YFZ350 1995 Yamaha Banshee 350
YFZ350 1994 Yamaha Banshee 350
YFZ350 1993 Yamaha Banshee 350
YFZ350 1992 Yamaha Banshee 350
YFZ350 1991 Yamaha Banshee 350
YFZ350 1990 Yamaha Banshee 350
YFZ350 1989 Yamaha Banshee 350
YFZ350 1988 Yamaha Banshee 350
YFZ350 1987 Yamaha Banshee 350
-- 1985 Yamaha RZ350
-- 1984 Yamaha RZ350
FITS 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 ALL OF YOUR CHEETAH CUB NEEDS!

This top end is designed to be run with a +4mm (115mm rod) crankshaft.  Everything is brand new.  Original manufacturer's warranty applies*.

Banshees are one of our specialties so contact us for all your Banshee needs!

Please check your order thoroughly when you receive it and contact us if you have any issues at all.  If you are not 100% happy with what you receive you are welcome to return it PRIOR TO INSTALLATION for a full refund, not questions asked!  Thanks!!

*We recommend that this kit be installed by a qualified mechanic with experience working on these types of motors.  Warranty does not cover any failure that is a result of improper installation, improper tuning, improper break in, or misuse.  For any warranty to be considered the part(s) in question must first be sent to us for inspection.  We can not warranty anything based on phone calls or photos alone.