Overview Product Description Chevy Big Block. Chevy Big Block 8" damper ring, no hub. Product Videos Custom Field Product Reviews Write a Review Write a Review × Fluidampr Fluidampr Chevy Big Block. Harmonic balancer Ring Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *