Banshee Athena Wiseco 68mm Big Bore 421 Stroker Crank Pistons Pro Head Domes Cub

S410485301023, S410485301024, P400485100024, 573M06800, 4111, CBK0044, PD300, 808812, 822154, BR8ES, K018, 10-301, B1005, 21.2020, 8101D200, 2GU-11311-00-00, 2GU-11321-00-00,2GU-11181-00-00, 2GU-11631-00-94, 2GU-11610-01-00, 4L0-11633-00-00, 93450-17129-00, 93310-316D6-00,3GG-11351-02-00, B0627020F, B0627018AFM, B0627015F, 99530-10114-00, IR019018AFM, MNB160210225A, 8055681300989, 29L-11400-30-00 29L-11412-00-00 29L-11401-09-00, 29L-11442-10-00, 93306-30571-00, 93310-523D2-00, 90209-22257-00, 29L-11651-00-00, 93306-30549-00 93103-25108-00

BPRATV 421cc Athena Wiseco Pro Design Cometic Complete 68mm Big Bore Stroker Kit

This Is The Best Value +4mm Stroker Athena Kit On The Market (Don't believe other sellers who claim they have the only Athena +4mm Stroker Kit on the market)

This Is The Complete Top To Bottom Motor Rebuild That Will Compete With The Cheetah Cub With A Fraction Of The Cost!

With proper tuning on pump gas you can easily hit 95+ hp with this kit!

Fits Yamaha Banshee YFZ 350

Years 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006

This 421cc Stroker Conversion Rebuild Kit Includes:

• Athena 68mm Banshee Cylinders
• Triple Exhaust Ports
• Larger Port Windows For More Power
• Larger Water Jackets For Better Cooling!
• Wiseco Pro Lite Big Bore 68mm Forged Pistons Pair 
• Piston Kits Include Pistons, Rings, Pins, & Clips
• Cometic One Piece Custom Base Gasket
• Hot Rods Heavy Duty Wrist Pin Bearings
• Pro Design Cool Head with Head Stud Kit and O-Ring Kit
• 22cc Big Bore Domes (Other Sizes Also Available Upon Request)
• Hot Rods Complete +4mm Stroker Crankshaft With 115mm Heavy Duty Rods (True & Welded Ready To Install)
• Complete Banshee Gasket Kit
• Complete Banshee Engine Seal Kit

This kit comes with extra components included!

• BPRATV Talon Titanium Acorn Cap Nuts (Pro Design Cool Heads do not come with nuts, so we have you covered!)
• Set of 4 Cylinder Dowel Pins - Must Have Replacement for any new build!
• New Pair of NGK Spark Plugs to make sure it fires right up!

1 year warranty for your peace of mind*