Part Number: 309508. Clutch Bolt Kit - 7.25 in 3-Disc Quarter Master V-Drive Clutches - Kit. Manufacturer: Quarter Master. Quarter Master started out as a chassis developer for drag racing. Discovering a critical need in the drag racing world, they soon switched focus to high-performance clutches, and have since expanded into bellhousings, flywheels, driveshafts, quick change gears, and starters.
