Ram True Balance billet steel flywheels are recommended as a replacement for factory cast flywheels in high performance and racing vehicles. Cast flywheels are not explosion proof and can be dangerous when used in high performance applications at highe r RPMs.Ram billet steel flywheels are CNC machined from certified materials and exceed SFI specifications. After machining the flywheels are blanchard ground parallel to the crankshaft mounting surface ensuring minimum runout and the optimum m ating surface for the variety of friction materials offered. Use steel flywheels in heavier drag race cars or for the best driveability in street driven vehicles. With 10.5-11 disc 166 teeth & 2.750 crank pilot diameter (center hole opening)
