Info courtesy of grim_d
http://www.precisionshims.com.au/products/sr20#
Links to relevant posts:
http://www.gtir-motorsport-club.com/t3146-valve-stem-caps-rocker-guides-from-precision-shims?highlight=valve+clearance
http://www.gtir-motorsport-club.com/t3961-head-shims
http://www.precisionshims.com.au/products/sr20#
Links to relevant posts:
http://www.gtir-motorsport-club.com/t3146-valve-stem-caps-rocker-guides-from-precision-shims?highlight=valve+clearance
http://www.gtir-motorsport-club.com/t3961-head-shims