Individual shims for all 1960-on Alfa Romeo and 1968-on Fiat/Lancia overhead cam engines (Fiat shims shown in the photo, left). Alfa shims are available from 1.300mm to 3.500mm in 0.25mm increments; Fiat shims are available from 2.55mm to 5.20mm, in 0.50mm increments. Shims are also available in sets. To check shim availability for your vehicle, please scroll down. Click on the "drop-down" box to enter the size shim you want. To learn more, see IAP's Tech Bulletin on valve clearance adjustment. | 
