Overview Reviews Product Description Specifications Harmonic Balancer Bolt7/16-20 in Thread2.250 in Long5/8 in Hex HeadSteelBlack OxideSmall Block ChevyEach Product Videos Custom Field Product Reviews Write a Review Write a Review × MR. GASKET SBC Harmonic Balancer Bolt MRG7845 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *