Fluidampr - 200002Harmonic Balancer Ring - Fluidampr - SBF - 6-5/8" diamter - Fits Fluidampr Adapater Hub 100013, 100014, 100003, 100004 - EachFord Small Block. 6-5/8" diameter damper ring only. Fits custom hubs. Call Fluidampr tech support for details,...