Contains all the necessary components for overboring or rebuilding your top end.
Feature forged pistons, rings, wrist pins, circlips and top end gasket set.

Top End Rebuild Kit including:

• Piston
• Piston Pin
• Circlips
• Rings
• Top-End Bearing 
• Top-End Gasket Kit

This kits fits the Polaris 500 ATV models listed below:

500 ATP                               2004

500 BIG BOSS 6X6            1998-2002

500 MAGNUM 2X4          2002

500 MAGNUM 4X4          1999-2004

500 RANGER 2X4              2007

500 RANGER 4X4              2004-2007

500 RANGER 4X4 EFI       2006-2013

500 RANGER 6X6              2002-2005

500 RANGER CREW 4X4 2011-2013

500 SCRAMBLER 2X4       2000-2004

500 SCRAMBLER 4X4       2000-2008

500 SPORTSMAN             1997-2008

500 SPORTSMAN 6X6     2000-2007

500 SPORTSMAN HO      2001-2007

500 SPORTSMAN RSE     2000-2002

500 SPORTSMAN X2        2006-2007

500 XPLORER     1997

Wiseco Powersports Piston Kits

Wiseco powersports piston kits include your rings, piston pin, and circlips. Wiseco has a decade of experience producing quality pistons for dirt bikes, ATVs, snowmobiles, outboard marine engines, and motorcycles. Their piston kits provide strong, lightweight pistons with optimized designs that improve engine efficiency and maximize your torque and throttle response. Plus, Wiseco powersports piston kits are produced right here in the USA. It's time to blaze your own trail with Wiseco powersports piston kits.

Note: Image is for reference only, actual kit may vary based on contents and fitment.