New set of 12 pcs. Header/Exhaust manifold bolts for all LS series engines

 Fits 1997 - Up LS1, LS2, LS6, LM7

4.8L, 5.3L and 6.0L Engines

These are grade 12.9 bolts.  Bolts have 12 Point head 

 Black Oxide Finish.  25mm in Length