<https://kam.com.au/product/aluminum-tandem-m-c-kit-with-bracket-and-valve/#product>
<http://schema.org/description>
"Wilwood has packaged the popular Aluminum Tandem Chamber Master Cylinder with the Combination Proportioning Valve, mounting bracket, fluid tubes and mounting hardware in a kit. The combination proportioning valve substantially simplifies wiring and brake proportioning adjustments on vehicles with custom brake systems. The combination block maintains full isolation between front and rear fluid circuits and is specifically designed to accompany the Tandem Chamber Master Cylinder."
<https://kam.com.au/product/aluminum-tandem-m-c-kit-with-bracket-and-valve/>