Exhaust Gaskets for LS Marine Aluminum Exhaust Manifold System
Replacement Exhaust Gaskets for the 620-32940 or 620-32942 LS Exhaust Systems or IMCO LS Exhaust Systems. Sold in pairs for one engine.
Extra O2 Bung for LS Marine Aluminum Exhaust Manifold System
The 620-32940 Exhaust System comes with a single O2 Bung, however some systems require a 2nd O2 bung. Order this part alongside a 620-32940 system to have two O2 bungs.
Replacement Riser Gasket for LS Marine Aluminum Exhaust Manifold System
Replacement Riser Gasket for the 620-32940 or 620-32942 LS Exhaust Systems or IMCO LS Exhaust Systems.
Shift Bracket for LS Marine Aluminum Exhaust Manifold System
Add an Shift bracket to the 620-32940 or 620-32942 LS Exhaust Systems or IMCO LS Exhaust Systems.