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Banshee Athena 421 Stroker Big Bore Complete Top End Gasket Kit Cool Head Cub

$999.99

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

CUB KILLER!  FITS ALL YAMAHA BANSHEE MODELS AND YEARS!!

Athena 68mm big bore cylinders 
Pro Design billet cool head with orings and studs
24cc billet cool head domes cut for stroker crank
Wiseco 573 series forged pistons
Wiseco hi temp piston rings
Wiseco chrome plated wristpin bearing
Wiseco circlips
Wiseco wrist pin bearings
Cometic top end gaskets
NGK BR8ES spark plugs

This top end works with a +4mm stroker crank.  Will NOT work with stock crank.  Everything is brand new.  Original manufacturer's warranty applies*.  PHOTO IS FOR REFERENCE PURPOSES.

Please check your order thoroughly when receiving it.  If for any reason at all you are not 100% happy please contact us right away so we can help resolve the issue.  If for any reason at all you are not happy with your order you are welcome to return it UNOPENED NEVER INSTALLED COMPLETE (NOTHING MISSING) AND BRAND NEW IN THE ORIGINAL PACKAGING for a FULL REFUND! *If we receive your order back incomplete, packaging ripped open and/or parts missing we will have to deduct our loss from your refund.

*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.