24 inch High Flow Hydraulic Clutch line 319 306 fuel line clip 1968 1986 Pontiac Firebird and 6 ATO style 1968 1986 Pontiac Firebird 6L V8 1975 1980 Chevrolet K10 400 6 The hydraulic clutch line is responsible for transporting hydraulic fluid going from your clutch master cylinder to your clutch slave cylinder by increasing fluid pressure to disengage the clutch and decreasing pressure to engage the clutch You will want a line that is durable enough to stand up to the test that lies ahead with years of future use and abuse associated with a pressurized line constantly under pressure and then the rigors of spirited driving