RAM True Balance billet flywheels are ready to install, right out of the box! Precision ground and balanced to within ½ ounce/inch of factory specification, RAM SFI certified flywheels also feature multiple pressure plate bolt patterns and a ¼ inch thick heat shield on aluminum models. RAM flywheels can be resurfaced instead of replacing the insert every time the clutch is freshened. Get the best flywheel first exclusively from RAM and made in the USA.