You want to bring your late model Stang up to snuff, and so does Quarter Master. The company’s 10.4-inch clutch kit, the Optimum-SR, comes in one- and two- disc variations, operates at a lighter weight for less rotating mass, and best of all, gives you the kind of response and feel you desire when pushing the car to its limits.

Official Release:

Quarter Master has created a revolutionary 10.4″ clutch kit for late model Ford Mustangs, available in both a single- and dual-disc configuration. The Optimum-SR is a true racing clutch with factory driving characteristics to replace the stock component.

Each kit includes engineering know-how derived from the Quarter Master racing heritage. However, the clutches can easily be used for street driving. The two-disc kits are designed for up to 1400 HP and 1000 ft./lbs. of torque, while the single-disc option can hold up to 700 HP and 500 ft./lbs. of torque. Iron and full-race kits are also available.

Features:

• Includes clutch, release bearing and release bearing adaptor, flywheel, and clutch alignment tool
• Significantly lighter than OE clutch; less rotating mass
• Billet construction with proprietary spring technology
• 100% re-buildable for years of service