Centerforce aluminum flywheels are manufactured from aircraft-grade billet aluminum for lightweight and low inertia. Centerforce aluminum flywheels also feature mechanically retained starter ring gears as well as replaceable steel friction surfaces that have been heat-treated for abrasion resistance and long life. These flywheels are CAD/CAM-designed and CNC-machined to deliver perfect, no-hassle, bolt-in installation. Centerforce aluminum flywheels are available for popular domestic, import, cars and trucks. Centerforce billet aluminum flywheels are SFI-certified, so you know that you can count on them, on the street and on the track.Centerforce Flywheel Aluminum Flywheel 900220 157 Teeth - Weight 12.3 lbs. - 28 in./oz. Balance - w/Counter BalanceCounter-BalancedRough BalancedNot Recommended For Street UseSFI Certification90 Day WarrantyPit Stop USA offers Centerforce Flywheel Aluminum Flywheel 900220 at low everyday prices. Be sure to check out all of the products from Centerforce including Centerforce Driveline Parts and Accessories, Centerforce Flywheels, Centerforce Aluminum Flywheels.