LSA / LS3 Rectangle Port to LS1 Cathedral Port Head Adapter
These adapter plates will allow you to install an LS3 intake manifold or LSA supercharger onto any LS cathedral port cylinder head. Machined with the proper port alignment. Includes grade 8 zinc coated allen bolts, stainless washers and black viton o-rings.
These will clear the CTSV LSA and ZL1 alignment pin, no need to remove.
CNC machined from 6061-T6 aircraft billet. Sold as a pair.