Hays 10-730 Hays billet steel flywheel. Fits 1997-1998 Chevrolet 5.7L LS1 engines. Weight is 30 pounds. 168 ring gear teeth. Fits stock 12" pressure plate or Borg & Beck 11" pressure plates. Neutral (zero) balanced flywheel for internal balancing. Hays billet steel flywheels are manufactured form certified billet material that will not break up under the stress of high rpm and severe punishment of racing. Certified under SFI spec 1.1. Hays 10-730 Hays billet steel flywheel 1997-1998 Chevrolet 5.7L LS1 flywheel 30 pounds 10-730 We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.