WISECO Piston Kit Yamaha 350/400 K130

Complete engine kits include pistons, ring sets, pistons pins, retainer clips and head gasket, All Wiseco pistons are forged from aerospace aluminum alloys on Wiseco’s state-of-the art forging presses, Built on a legacy of championships for over 60 years by American craftsmen, Wiseco pistons have the latest dyno-tested technology to out-perform the competition