10mm diameter - Includes three valve shims of each size from 1.85 to 3.20 in .05 mm increments. 84 shims in total, 83 cents per shim!
Same-day shipping cutoff: Noon Pacific Time
Our offices will be closed on Monday, September 1 for the Labor Day holiday. We will be back on Tuesday, September 2 to process your orders and respond to your inquiries.