Hays 22835 Flywheel - Performance; Flywheel; Aluminum; Neutral (Internal) Balance; 10.5-11 in. Metric Pattern; 164 Gear Teeth; 1999 Ford 4.6L/5.4L (8-bolt... Fits 10.5" and 11" Metric... 14... Internal Balance Machined from 7075 T-6 forged billet aluminum, these flywheels weigh 11, 14, or 15 pounds and are popular among many road racers and drag racers running light cars with large motors. The high-strength alloy surpasses material specs regarding strength and centrifugal distortion. All feature a replaceable steel or bronze heat shield and are drilled to accept either the Borg & Beck or Long clutch pattern. Ring gears are securely mounted with welded tabs riveted to flywheels to...