1985 Chevy Blazer Brake Line Set for 5.0L Gas engines. Location runs from: Master Cylinder Primary Line runs from Rear of Master Cylinder to Proportioning Valve, Master Cylinder Secondary Line runs from Front of Master Cylinder to Proportioning Valve, Left Front Brake Line runs from Proportioning Valve to Left Front Hose Connection, Right Front Brake Line runs from Proportioning Valve to Right Front Hose Connection, Rear Brake Line runs from Proportioning Valve to Rear Hose Connection above the Rear Axle. Included in Set: 1 Master Cylinder Primary Line 3/16", 1 Master Cylinder Secondary Line 1/4", 1 Left Front Brake Line 3/16", 1 Right Front Brake Line 3/16", 1 Rear Brake Line 1/4" (in 3 easy to install sections) excludes Brake Hoses and Rear Axle Crossover Line