2863409 LH drivers side C body HP exhaust manifold. Date code is 11128 I would believe that is 11-12-68. Nice original condition still has the flange portion of the exhaust pipe with the original bolts and nuts. I have several pictures I can email over if your interested please PM me here. $100.00 shipped to your location in the upper 48 states. If you want to use PayPal add the 3% fees. Thanks, Matt