Wiseco W4055 Top-End Gasket Kit for 1983 Yamaha IT490 / YZ490 - 87.00-89.00mm Piston Size_101.00mm 1989-06 Polaris Indy 500

1989-06 Polaris Indy 500

1982 Kawasaki KZ440G

2008 KTM 450 SX-F

1986 Honda CR500

2015 Kawasaki EX650E Ninja 650R

Wiseco W4055 Top-End Gasket Kit for 1983 Yamaha IT490 / YZ490 - 87.00-89.00mm Piston Size_101.00mm 1989-06 Polaris Indy 500Wiseco Performance Top End Gasket Kit Part Number: W4055 Piston Size: 87. 00 89. 00mm Wiseco gasket kits are made from the highest quality materials. Each gasket kit is sourced in house to find the most reliable, high quality suppliers available Ensures a critical seal and superior durability that meets and exceeds OEM specifications Contains all the necessary gaskets and O rings to rebuild your top end. Fits: 1983 Yamaha IT490 1983 Yamaha YZ490