Goodridge High Performance Clutch Lines are race-bred street clutch lines constructed from the finest quality hose, consisting of a PTFE inner hose covered by braided stainless steel, topped off with an external Teflon coating, which gives your clutch line the ability to handle insane amounts of clutch pressure without swelling or bursting. The stock rubber line is designed to make your clutch soft, and hurts your ability to have a positive response and feedback from your clutch when depressing the clutch pedal.