These premium bolts are identical to original equipment used to fasten the lower pulley to the harmonic balancer. Each bolt features 5/16”-24 threads and a strength rating of Grade 8. Sold per each; 1959-67 models require 6 bolts, and 1968-up models require 4 bolts.
Authentic reproduction of the original GM product.
This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.