Valve Stem Seal Install Tool Set - 4mm, 4.5mm, 5mm & 5mmBUSA

4 piece set includes three common sizes for use on most modern street bikes, 4.0mm, 4.5mm & 5.0mm and one additional 5.0mm specially designed for the Suzuki Hayabusa and other Suzuki models that use the same seal. Properly aligns valve stem seal to valve guide so seal snaps on straight every time. Provides for quick and easy installation of valve stem seals on multi valve cylinders. Contoured design in bottom of handle cradles and protects the delicate inner lip of the valve stem seal while directing tool force to the sturdy outer rim. Slim profile allows easy access to valve guides even on modern compact heads with deep lifter bores. Rounded tip will not damage inner lip of valve stem seal or valve guide bore. Anodized aluminum handles with stainless steel pilot shafts. Lifetime Limited Warranty