Black Out 2.0 power brake conversion with Wilwood master cylinder for the 1960-66Chevy and GMC trucks is for those who want the best quality with an economic price. POLintroduced the Black Out in April2013 and received a huge response. We now are offering this more affordable kit. Usesour standard proportioning valve in black anodize.These componentsadd a nice professional detailed look to your classic truck. Improves stopping distances and driver performance. Works perfect for trucks with Chevy LS engine conversion.