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