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OPGI Price: $7.99
Part Type: (R) = Authentic reproduction of the original GM product
Sold As: EACH
2018 GTO Catalog Page: 297
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; 1963-67 models require six bolts, and 1968-up models require four bolts.