SKU: QTR505308SC
MPN: 505308SC
The Flywheel 5.5in Button Ford Optimum from Quarter Master is a purpose-built internal balance flywheel engineered for small block Ford engines paired with Quarter Master V-Drive or Optimum clutch systems. This button-style flywheel is designed for builders and enthusiasts who demand reliable power transfer and smooth engagement in street, strip, and competition applications. Whether you're upgrading a classic muscle car, modernizing a vintage hot rod, or maximizing a precision drag platform, this component serves as the critical interface between your engine's crankshaft and clutch assembly.
Manufactured in steel construction with internal balance capability, the Flywheel 5.5in Button Ford Optimum maintains precise rotational harmony essential for high-revving small block Ford applications. The 5.5-inch diameter button-style design minimizes mass while preserving inertial characteristics needed for driveline integrity and smooth torque delivery. Internal balancing allows this flywheel to work seamlessly with Quarter Master's precision V-Drive or Optimum clutch packages, eliminating vibration and extending drivetrain longevity. Steel construction provides superior durability under sustained engine loads, making it ideal for applications where reliability cannot be compromised.
This flywheel serves automotive enthusiasts, professional builders, and performance shops specializing in small block Ford modifications. Installation requires proper balancing verification and torque specifications relative to your specific crankshaft and clutch combination—consultation with Quarter Master technical resources or an experienced Ford engine specialist is recommended. The 5.5-inch button diameter ensures compatibility with Quarter Master V-Drive and Optimum clutch pressure plates, making this an essential upgrade for any small block Ford experiencing clutch replacement or powertrain refresh. Weighing 3.02 lbs, the compact footprint maintains clearance in tight engine bays while delivering the mass properties required for controlled engagement and reliable shift performance across all driving conditions.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
