ICT Billet LS Rectangle Port Cylinder Head to Cathedral Intake Adapters

Rectangle Port Cylinder Head to Cathedral Port Intake Can ONLY be used with LS rectangle port cylinder heads  Will not fit raised port LS7 cylinder heads Fits ANY rectangle port head and bolts to ANY cathedral port intake manifold, supercharger or blower Package Includes: 2 adapter plates (1/2" thick) with 8 O-ring seals Made in Wichita, KS from 6061-T6, USA billet aluminum Intake manifold bolt lengths required when used with Factory GM LSA supercharger (M6 x 70mm) use ICT part # 551400  Car intake manifold (M6 x 130mm)  use ICT part # BOLTM6-130X10 Truck intake manifold (M6 x 90mm)  use ICT part # BOLTM6-90X10 See our other listing for reverse adapters