fits: holley/barry grant claw carburetors sight plug material: plastic sight plug finish: clear sight plug o-rings included: yes sight plug gaskets included: no quantity: sold as a pair. special attention: clear plugs are for setting float height only. they are not compatible with fuel and must be changed for solid plugs once the correct float height is set. moroso clear-view sight plugs allow you to check the float bowl level without removing the plug and spilling fuel. after setting float bowl level, replace clear sight screws with original bung plugs.