Cylinder Head CC Kit PR66831Cylinder Head CC KitWith 100cc With 0. 2cc Division Line Burette & Stand PR66831 66831 This is the kit you need to accurately cc most cylinder head combustion chambers. Includes a precision glass 100 cc burette with easy to read 0. 2cc division lines, an integral petcock for precise measurement and easy flow control, a burette clamp, a stand with a firm base, a flat acrylic plate to cover the combustion chamber, and detailed instructions explaining