I wanted the #70002 8" Star street damper for $36.99 . It's made out of Nodular Iron and safe to 6500 RPM . The add said Limited Quantities . They had none . They did have the OEM Replacement Type #6511 for $40.99 . Check out page #24 Star Performance I passed on it . I may go with the Pioneer Brand . But I did also need rockers And the Camshaft well I just had to