For the 1.6L SOHC is: admission -> .007 in - .009 in (.17 mm - .22 mm) escape -> .009 in - .011 in (.23 mm - .28 mm) for 1.6 dohc is: admission -> .006 in - .007 in (.13 mm - .17 mm) escape -> .007 in -. This applies to the Honda Civic del Sol Vtec 1994 Doch 16 Valves (B16A3) and SOHC 16 Valves (B16Z6) I hope to help friend ... Any questions here are