Wiseco PK1778 Top End Kit - 0.50mm Oversize to 83.50mm, 8.6:1 Compression riding-apparel-shorts-bibs Double HH sintered extreme duty

Double HH sintered extreme duty compound

Restores plush fork action

Tri-oval shaped sleeve

Easier reverse travel with high angle rear ski top

2009-2014 KTM 450 XC-W

Wiseco PK1778 Top End Kit - 0.50mm Oversize to 83.50mm, 8.6:1 Compression riding-apparel-shorts-bibs Double HH sintered extreme dutyBore: 83. 50mm Compression: 8. 6: 1 Compression Sizing: 0. 50mm Oversize Contains all the necessary components for overboring or rebuilding your top end. Feature forged pistons, rings, wrist pins, circlips and top end gasket set. Vehicle Fitment: 2000 2004 Yamaha YFM400 Big Bear 2x4 2000 2006 Yamaha YFM400 Big Bear 4x4 2007 2008 Yamaha YFM400 Big Bear IRS 4x4 1993 1999 Yamaha YFM400F Kodiak 4x4