Constructed using a specific heat-treatment to ensure hardness for maximum durability and less wear and precision machined to match exact sizing requirements. Each size is sold individually as a pack of 5 to reduce costs when only requiring a particular size or restocking your valve shim pack. Most 250cc 4-strokes use 7.48 mm OD shims most 400cc and up 4-strokes use 9.48 mm OD shims and KTM models use 10 or 8.90 mm OD shims. Features: Heat-treated ensuring hardness for maximum durability and less wear. Precision machined to match exact size. Each size sold individually to keep cost down. Works with stock or aftermarket cams. Sold as a pack of 5. Sizes available: 7.48mm x 1.20mm - 3.50mm in 0.05mm increments 9.48mm x 1.20mm - 3.50mm in 0.05mm increments
